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A28    SCIENCE
                Tuesday 12 November 2019
                                                                      Mini Mercury skips across



                                                                      sun's vast glare in rare transit



                                                                                                                                South America.  The rest of
                                                                                                                                the  world,  except  for  Asia
                                                                                                                                and  Australia,  got  just  a
                                                                                                                                sampling.
                                                                                                                                Mercury is the solar system's
                                                                                                                                smallest,  innermost  planet.
                                                                                                                                The  next  transit  isn't  until
                                                                                                                                2032,  and  North  America
            A  SpaceX  Falcon  9  rocket  lifts  off  from  Cape  Canaveral  Air                                                won't get another shot until
            Force Station, Monday, Nov. 11, 2019, in Cape Canaveral, Fla.                                                       2049.
                                                     Associated Press                                                           In  Maryland,  clouds  pre-
            SpaceX launches 60                                        This still image from video issued by NASA's Solar Dynamics Ob-  vented  NASA  solar  astro-
                                                                                                                                physicist  Alex  Young  from
                                                                                                                                getting  a  clear  peek.  Live
            more mini satellites                                      servatory shows Mercury as it passes between Earth and the sun   coverage  was  provided
                                                                      on Monday, Nov. 11, 2019.
                                                                                                                                by  observatories  including
                                                                                                               Associated Press
                                                                                                                                NASA's  orbiting  Solar  Dy-
            for global internet                                       CAPE CANAVERAL, Fla. (AP)  — a tiny black dot — as it  namics Observatory.
                                                                      —  Mini  Mercury  skipped  passed  directly  between  "It's  a  bummer,  but  the
                                                                      across  the  vast,  glaring  Earth and the sun on Mon-    whole event was still great,"
            By MARCIA DUNN               on  a  floating  platform  in   face of the sun Monday in  day.                        Young  wrote  in  an  email.
            AP Aerospace Writer          the Atlantic.                a rare celestial transit.    The eastern U.S. and Cana-   "Both getting to see it from
            CAPE    CANAVERAL,     Fla.  "These  boosters  are  de-   Stargazers  used  solar-fil-  da got the whole 5 ½-hour  space  and  sharing  it  with
            (AP)  —  SpaceX  launched  signed to be used 10 times.    tered  binoculars  and  tele-  show,  weather  permitting,  people all over the country
            60  mini  satellites  Monday,  Let's  turn  it  around  for  a   scopes  to  spot  Mercury  along  with  Central  and  and world."q
            the  second  batch  of  an  fifth,   guys,"   company's
            orbiting  network  meant  launch commentator said.
            to  provide  global  internet  This  also  marked  the  first
            coverage.                    time SpaceX used a previ-    Cholesterol levels dropping in
            The  Falcon  rocket  blasted  ously flown nose cone. The
            into the morning sky, mark-  California-based company     U.S., but many still need care
            ing  the  unprecedented  reuses  rocket  parts  to  cut
            fourth  flight  of  a  booster  costs.
            for  SpaceX.  The  compact  Stacked flat inside the top   By LAURAN NEERGAARD          get  the  most  benefit  from  cal  Center,  who  wasn't  in-
            flat-panel  satellites  —  just  of  the  rocket,  the  newest   AP Medical Writer     cholesterol-lowering  statin  volved with the study.
            575   pounds    (260   kilo-  satellites  were  going  to   WASHINGTON (AP) — Some  drugs.                          Moreover,  there  was  an
            grams) each — will join 60  maneuver even higher fol-     good  health  news:  Ameri-  The Alabama team exam-       uptick  in  statin  use  by
            launched in May.             lowing liftoff, using krypton-  cans' cholesterol levels are  ined records from the Cen-  people with diabetes over
            SpaceX founder and chief  powered thrusters. SpaceX       dropping,  and  more  peo-   ters for Disease Control and  the  study  period,  from  less
            executive Elon Musk wants  said there was a potential     ple  at  especially  high  risk  Prevention  that  tracked  than half to over 60% get-
            to  put  thousands  of  these  problem with one of the 60   are getting treatment.     cholesterol    information  ting one. Diabetics are par-
            Starlink satellites in orbit, to  that  could  prevent  it  from   Researchers  say  Monday's  from  more  than  32,000  ticularly vulnerable to heart
            offer  high-speed  internet  moving  beyond  its  initial   report  suggests  a  contro-  adults  between  2005  and  attacks  and  tend  to  have
            service  everywhere.  He  174  mile-high  (280  kilome-   versial  change  in  recom-  2016.                        poorer outcomes.
            plans  to  start  service  next  ter-high) orbit. In that case,   mendations  for  cholesterol  Among   people   taking  "It's very important for those
            year  in  the  northern  U.S.  the  faulty  satellite  will  be   treatment  may  be  starting  cholesterol   medication,  with a diagnosis of diabetes
            and  Canada,  with  global  commanded  to  re-enter       to pay off.                  the  average  level  of  that  to not get that first heart at-
            coverage  for  populated  and  burn  up  harmlessly  in   "It  is  very  heartening,"  said  "bad" cholesterol — what's  tack," said Dr. Neil J. Stone,
            areas after 24 launches.     the atmosphere.              Dr.  Pankaj  Arora  of  the  known as LDL cholesterol —  a cardiologist at Northwest-
            Last  month,  Musk  used  an  Each  satellite  has  an  au-  University  of  Alabama  at  dropped 21 points over the  ern University. He led devel-
            orbiting  Starlink  satellite  tonomous system for dodg-  Birmingham,  who  led  the  study period, the research-   opment of the 2013 guide-
            to send a tweet: "Whoa, it  ing space junk. In Septem-    study. "But there is more to  ers reported in the Journal  lines  from  the  American
            worked!!"                    ber,  however,  the  Europe-  do."                        of the American College of  College of Cardiology and
            Employees  gathered  at  an  Space  Agency  had  to       Heart disease is the world's  Cardiology.  It  was  declin-  American  Heart  Associa-
            company  bases  on  both  move  one  of  its  satellites   leading killer and high cho-  ing  even  before  the  2013  tion,  and  he  co-authored
            coasts  cheered  when  the  out of the way of a Starlink   lesterol is a key risk factor —  guidelines but continued to  an update last year.
            first-stage  booster  landed  satellite.q                 but not the only one. Doc-   inch down afterward.         Arora cautioned that other
                                                                      tors  long  treated  patients  Total   cholesterol   levels  high-risk  groups  haven't
                                                                      based mostly on their level  and  another  fat  known  as  seen  an  increase  in  treat-
                                                                      of  so-called  "bad"  choles-  triglycerides  likewise  de-  ment  —  and  that  still  too
                                                                      terol,  whether  they  had  creased.                      many    Americans    don't
                                                                      other  risks  or  not.  In  2013,  "These  are  surprisingly  im-  know if they have a choles-
                                                                      national  guidelines  urged  pressive  results"  that  to-  terol problem.
                                                                      them instead to focus more  gether predict a 15% to 20%  The advice for consumers?
                                                                      on  people's  overall  heart  reduction in risk of heart at-  If  you  haven't  had  a  cho-
                                                                      risk, by taking into account  tacks  and  strokes,  said  Dr.  lesterol check recently, get
                                                                      age,  blood  pressure,  dia-  Michael  Miller,  preventive  one,  Miller  said.  Testing  is
                                                                      betes  and  other  factors.  cardiology chief at the Uni-  easier than ever, as fasting
                                                                      Those at highest risk would  versity  of  Maryland  Medi-  no longer is required. q
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