Homework Help Forum: astronomy

Posted by jess on Sunday, October 4, 2009 at 7:45pm.

The only important historical solar system object which has not yet been visited up close by satellite spacecraft is.. A) a comet or asteroid b) pluto c) neptune d) saturn's moon titan

• astronomy - bobpursley, Sunday, October 4, 2009 at 7:48pm

  I dont know of any comets or asteroids which have had satellite spacecraft orbit them. Frankly, considering the masses of those, it would be quite a fete.

  
  

• astronomy - jess, Sunday, October 4, 2009 at 7:54pm

  thank you

  
  

• astronomy - drwls, Sunday, October 4, 2009 at 8:09pm

  Comets have been impacted by spacecraft, and the "tail" of Halley was sampled. At least asteroid have been photographed "up close", and so was Neptune, by Voyager 2. The answer to your question is Pluto. See http://www.bobthealien.co.uk/spacecraft.htm for a detailed list of solar system probes

  
  

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