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Practice Reading: Fill in the Blanks (Dropdown) ID: #958 NASA
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Scientists  preparing  for  NASA's  proposed  Jupiter  Icy  Moons  Orbiter  believe  that  Jupiter's  moons  Europa  may  be  a  corrosive  mixture  of  acid  and  peroxide.  Thus,  it  may  not  be  the    place  for  life  to  exist  as  was  thought  possibly  to  be  the  case.    all  the  information  we  have  about  Europa  comes  from  the  spacecraft  Galileo,  which  completed  its  mission  to  study  Jupiter  and  its  moons  close  up  before  NASA  dramatically  crashed  it  into  Jupiter  in  2003.    the  general  perception  of  Europa  is  of  a  frozen  crust  of  water  ice  harbouring  a  salty  subterranean  ocean  kilometres  below,  researchers  studying  the  most    measurements  say  light  reflected  from  the  moon's  icy  surface  bears  the  spectral  fingerprints  of  hydrogen  peroxide  and  strong  acids.  ,  they  accept  that  it  could  just  be  a  thin  surface  dusting  and  might  not  come  from  the  ocean  below.

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