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NASA salvages Mars mission that should have launched by now
Study:NASAMARCIA DUNN sAanlvtagrcetsicMiacres mmiassyiomn tehlat tmshoorueldquhaicvkelylatuhnacnheedxpbey cntoewd
AP Aerospace Writer
SfctaWWAaoEanAarPT(ICMmsgand’AaC(msIWgfApHmfnSrosArpgAaSsmAirgoTPAaHPssiterowcaeaBPghsstPseueR)cPsIaeeAtdui)OineckENroeiaCenenEoeaanrnee—ce2nsRdG—crdnIncdvadetryAc0rtEyceoeoiirTphesi1sCtirNarsCNOeddsyarobD,Na8daosnApfSsaAAlftfotUNnAeWtfrtliTma,Natliiy,NtSNllcEssSlssicrusAAacsIaMcAAeaciNMcNteonlf’Veyirliti’Vrtartiesvasacahfsva’alihW(ErhagEesrnhpAeecnrRpesnnAResnni.rt..ndpoAPniepAiendetsso)eimoxLithntxLwetns,utaIr,ustIognsgnbrmphanpnroSMSMciacatncaeiwitF—gteFgttiaedceaheclnlhilath-arhardeerdgeestss.t. could be 25 percent more
thoWsuuegpdhpnto,esserdadaisiyntgoit’slseiftasholoeffovetitnlhsgis than that because of geo-
logical conditions, DeCon-
to said.
“North America has a lot to
fear from ice loss from West
Antarctica, which is where
it all begins,” DeConto said.
While other studies have
mufmocrhoanmt2ho0,1re8 tlahuanncehx.pected looked at the effect of
by btThuheteeenrnoddbeodotficutphleasindcdeeelninrteuwdrya,ins warming from water be-
acscDuopercpdeoinmsegbdteor taboynelaifwt lesotaufkfdyint.hias low ice sheets and the air
NpdieItinnnhruregananMivekDbm2ntMiwnekevltwaaneietemhcuec1eiieacvocntiyuaerxttn0tceciyexdtanymeitnyw0mdFmpteoetraFtmgtscsryhheoisrhimenouhlec2ambeehihe2a,g.wtydlno0r.dnnwyabo0snisaun1coenu.tva1cituveaoc-ml8vo1hclfdau8rchadglrOaadgs8rltteyai-ienenihiblieirubnMbpeoalsrnebasertsaeerpyssaoepeanbttspeabrtpsrarsosrsolusecrarlusessrare3eersaberefeim,sesomdt4idcsfidEudbslalddoneeieaeeeneeaneaietrnalrtnnntninerliilihclswnsatnmheststackttiietahecsieeg.eoseegu.veuhdePrasPindmenanninnsedtodlrtjrsetthctuelnoohcosset---t,.eidaesnhddoejhnj--t--
This satellite image provided by Nature/Knut Christianson, taken Jan. 9, 2016, shows the Thwaites that melts from above, De-
Glacier and its ice cliff at the terminus of Thwaites Glacier, West Antarctica. Conto adds in the effect
of pooling water and giant
ice cliffs. Those ice cliffs,
which can be dozens and
even hundreds of feet high,
can collapse from the sheer
weight of ice and that has-
(46wittsionnd8eo6igwch.ebnOotrip.mpeotretursn)itmieos reto Associated Press tens glacier and ice sheet
thalaTnhueancnInhSinigttehortnsMaptaiocrsneacalrrapisfeat najeiumlsts “You’re remapping the surprise when the western forecast sea level rise from retreat, he said.
of etovcelsimrtyuadtwtyeothyesecianietrnes,tribostarsosefpdMreao-nrs way the planet looks from portion of the continent Antarctica’s melt alone as Ted Scambos at the Uni-
dictbhteeyddajrluiigllsinnt gmthdereneeteopyfewEaairtshrtiahng.aTonh.de space with those numbers, started showing signs of 2 to 3 feet (64 to 105 cen- versity of Colorado, who
Anitdssenneesvoiegrsnhbfoiforcr.toheunFtrreienscchosne-is- wasn’t part of the new
ttprholeeTtblomigohdnyhrregmodosedatemuIeuanorndirdlSetdvldi-iynatgtietnergomctharrhaPutpdonetasumpeveepmrieniieeeanstmldpacgeelcaseevrtwhusigooecntariaertrltysomashose.piefnfbttasehsu.Maerreb,Taariamhiyttttlireeenss not just subtle changes rapid ice loss in the last de- timeters) in the worst-case study, said it was plausible
wosTeuhnldesovsrtasillcfmouuremtahnechsFeareamnsbctehhrrseweeais-s about which neighbor- cade or so. The United Na- scenario and 10 to 19 inch- and used “a few simple yet
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Weletdhaenkeinstgdw.aoy-Tyhieneartohtedheejolrauyrmnaawilnill said study lead author has not forecast much sea are moderately controlled. regardingAicsseocreiattreedaPt.r”ess
Nasctcuoiersent.cNeAiSnAst’rsuomnelynot,thaeGr oepr-- Carnegie Institute climate
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MEaruisrrksoy2p,0”e1h6e.qissaliadu.qnching an-
tion was to kill the project. agency focuses on the sci- these days. Just last week, The red planet already is other Mars mission Monday
John Grunsfeld, head of ence instrument itself. astronaut Scott Kelly com- teeming with active space- from Kazakhstan — an or-
NASA’s science mission di- “The quest to understand pleted a 340-day mission craft, including NASA’s biter for measuring atmo-
rectorate, said the scien- the interior of Mars has at the International Space Opportunity and Curiosity spheric gases and a lander
tific goals are compelling been a long-standing goal Station that’s considered a rovers on the surface, and collectively known as Exo-
and the repair plans are of planetary scientists for scientific steppingstone for Odyssey, Mars Reconnais- Mars 2016.q
