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SPACE-URANUS

URANUS  IS  THE SEVENTH  PLANET  from  the  Sun  and  the  third  largest  ,  with  a  diameter  of about  51,000  kilometers.It  is  thought  to   be  consist of    a   dense    mixture  of  different  types  of  ice   and  gas  around  a   solid  core.Its  atmosphere   contains  traces  of  methane ,  giving  the  planet  a  blue-green   hue,  and  the  temperature   at  the cloud tops  is  about  -210C.Uranus  is  the  most  featureless    planet   to  have    closely  observed ;only  a  few   ice,clouds  of Methane   have  been  seen   so  far.Uranus  is  unique  among  the  planets   in  that   its  axis   of  rotation  lies  close  to  its orbital  plane.As   a  result  of  its    strongly  tilted  rotational  axis  ,Uranus  rolls  on  its  sides    along  its  orbital  path   around  the  Sun  ,  where  as  other  planets   spin  more  or  less    upright .Uranus  is   encircled   by  11   rings   that  consist  of  rocks  interspersed    with  dust  lanes .  The  rings  contain   some  of  the  darkest  matter  in  the  solar  system   and  are  extremely  narrow , making  them  difficult   to  detect ;nine  of  them   are  less  than  10  km  wide .whereas   most  of  the   Saturn's  ring   are  thousands  of  km    in  width.There  are  15  known  Uranus  moons..all  of   which  icy   and  of   which  are  further   out  than the  rings.The  ten  inner   moons  are  small  and  dark,  with  diameters   of   less  than  160 km ,and  the  five  outer   moons  are  between    470  and  1,000   km   in   diameter.The  outer  moons  have    a  wide variety   of  surface  features .Miranda   has  the    most  varied  surface ,    with  cratered  area   broken  up  by    huge  ridges   cliffs  20 kilometres   high.

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