Why has no one walked on the moon since 1972?

More Questions. Additional questions in this category.

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  Since it is the 25th anniversary of the Challenger explosion, do you remember the macabre jokes that circulated after this tragedy?
  by AB is an asylum run by the inmates, ciao! on January 28th, 2011 | 3 people like this

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  how far does a space shuttle travel in one mission?
  by Lego-NASA Worker on February 1st, 2011 | 1 person likes this

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  why dont nasa use solar powered space shuttles?
  by r8stoneman on May 2nd, 2010 | 1 person likes this

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  how big is the space shuttle with fuel tank and boosters
  by sharlin on January 28th, 2011 | 1 person likes this

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  is there a better way to launch spacecrafts into space other than using rocket?
  by Simply Pengu on November 29th, 2010 | 2 people like this

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