NASA       -  GRAIL.
[IMG]
31.jpg

  ,       , NASA        -  GRAIL.    BBC.      100 ,   ,      2   1 .



GRAIL    Gravity Recovery And Interior Laboratory  (       )       grail, .

          ,   .     ,    (Maria Zuber)     (MIT)  ,            .  ,   ,      ,       ,     - . 

           .   150     ,          ,         ,  .   ,   ,   ,       ,     .

  ,    ,            .   ,           : ,   ,  20%        ,   80%   .

        ,   -  ,        ,            .