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SCIENCEThursday 10 March 2016

NANASASA: Gsalolvbaagel ws Maramrsinmgissisionnotwhact shhaonugldinhgavheolwauEnacrhthedwboybnbolews 

SETMHABROCRIAENDSUTNEINN                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                year, and that affects the
APASPcAieenrcoespWacriteeWr riter
WACSAHPIENGTCOANNAV(EARAP)L, F—la.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      way the Earth wobbles

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        in a manner similar to a
otGhnle(ImgonArbswiioPsttasseu)ailoany—pndwdoteihaslNdaoersmAtfriElSlinsaaAaMcgrxl’triaisvahse,irpssnw.peasoixhnbtIignfnbtSMienliegtwaghshrest

NASA salvages Mars mission that should have launched by nowNAspSAacsteucdrayffti,ndst.he space
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        figure skater lifting one leg
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        while spinning, said NASA
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        scientist Eirk Ivins, the study’s
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        co-author.

Mealgtinegncy ice annsohuenectes,d                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      On top of that, West

EdeaasrisepWfsrtmM(CoutArAeThierpAbAhiPcPs.adpPesuR)iAAiaEnootC2ine—leons0lrIcydeorAsn1oidhsCdb8NtsDaashoApilAtonUanyatiaNtlifSNlugoctcAAanNiheiGnwtl’Vci’lasvglasWirEhefeestnRn.i.regcAdiestnhhaoeexLol,ttrfuarfostMnewohtFdtiadnenhlaa,grisss.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Antarctica loses 275 trillion
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        pounds of ice and East
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Antarctica gains about 165
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        trillion pounds of ice yearly,

bomItnhostnetthahed, Noof rtshcraPpopleingantdhe                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        helping tilt the wobble

thebguwrotouebnnbddeleed,dwuhMpicahsirdsiseclinaInelSledigdhint                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         further, Ivins said.
poDslaperaccememocbtraieofrnt,,bytotaheclehaaskpniganecae
cokuaergyseeFn,recnyacchcionrsdtriuanmgnneontuot.nPcraeodj-                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             They all combine to pull

e1sajmhSotc8annuueMientlvwe9itnadvbekmDfvWsdehraiio9eucvnercieiucuaTenyecneto,erepsxtahyeintttycemudptandrappimelcsFaym reeoustntSileoos2r2hhinhn2samebnghwbtcae0s.0lr,wgo0dadnnoeoaeniltsn1.bei1tuhsdcraeoudabmev8oae8hnlhaOldadfgotnndgreloeychamyiedtciMpeeltrdnnrebbieaubueocrerpaosts pyeabsnFeptAainaorottrrsncrlsst’riluieltardslaaosrdraecfm,srieahueftimudvitnnEubsicad.drvddaleoeyaaedenesauyieergshnotanrltienirlsittihstssahsnaontaifechktepritieisfegneg.euhottdtteosePoancihhndnwetnddtsjtlriluerneeeeeohcn.yyhoasteeisddoedagnhnijsst---   In this July  21,  2011  file  photo,                                                                                                                                                                                      an  iceberg  floats  in  the  sea  near                                                                                                                                                                         Qeqertarsuaq, Disko Island,        polar motion toward the
miigtinsrantitemeigedh. baor. bit toward                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 Greenland.                                                                                                                                                                                                                                                                                                                                                                                                                                                  Associated Press   east, Adhikari said.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Jianli Chen, a senior
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        research scientist at the
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        University of Texas’ Center
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        for Space Research, first
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        attributed the pole shift to
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        climate change in 2013,
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        and he said this new study
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        takes his work a step further.

CaTMhneadyInaS2.ig0h1B8t usptreapctrehecasertanfttshaatimhses                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            “The recent shift from the                                                                                                                                                                                                  Jonathan             Overpeck,                                                                                                                                                                                  profoundly large an impact         “There is nothing to worry
chtanoensxgttueddyawthviatehilianthbteilseriocreonlaftuuMnryac,rhs                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       20th-century direction is                                                                                                                                                                                                                                                                                                                                                                                                                   humans are having on the           about,” said Chen, who
anbdwyinndodrwoilliwnitg.’s dmOepoepvpionrwgtuittnohitwiniea.sTrdhteo                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    very dramatic,” Adhikari                                                                                                                                                                                                    professor of geosciences                                                                                                                                                                                        planet.”                           wasn’t part of the NASA
EaNnuAoimsgnteliteSathhrlsvAodanueoanemesn’nreosrardcySevirJlguhis,agtettehwrofncetsobrtomauPonronuridmdeyteorm.hMrenepeaeatdaasuAcrtoFrlssussthuf,driodeoEarbhaenynaomairkcripLsstabhlseheaeeuredibarsabaraej.dunotttiliseednn-t                                                                                                                                                                                                                                                                                                                        said.                                                                                                                                                                                                                                                                                                                                                                                                                                       Since 2003, Greenland has          study. “It is just another
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         While scientists say the shift                                                                                                                                                                                              at the University of Arizona,                                                                                                                                                                                   lost on average more than          interesting effect of climate
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         is harmless, it is meaningful.                                                                                                                                                                                                                                                                                                                                                                                                              600 trillion pounds of ice a       change.”q
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     who wasn’t part of the

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     study, said that “this

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     highlights how real and
Reprieve for NASA’s planet-hunting Kepler spacecraft gTlebtsThoehrayoeenskudstviIunnonraidgdrlSlsciiy.ngmufgothuhTotrhmdevsteepheinceaemthpcoeFeaetrrwihnmeocetinrrtsbahr.coeifhnftrm.MawsTeaiamhaiisrnesss-
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         This August 2015 artist’s rendering provided by NASA/JPL-Caltech depicts the InSight Mars lander studying the interior of Mars. On
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         Wednesday, March 9, 2016, NASA said it’s shooting for a 2018 launch of the InSight spacecraft.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Associated Press

smcioemnceeteirnnsteruemdetont,oapeGraetre- sound. The Jet Propulsion decades,” Grunsfeld said sending humans to the red sance Orbiter and Maven
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                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           of planetary scientists for                                                                                                                                                                                               scientific steppingstone for                                                                                                                                                                                    Odyssey, Mars Reconnais- Mars 2016.q
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