What is the difference between mass and weight? Is it possible for an astronaut in the weightlessness of space to move an object of large mass?

More Questions. Additional questions in this category.

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  If space is collapsing into every solid object (which results in gravity) where does it go?
  by Banana Breath plays the piano on March 14th, 2012 | 1 person likes this

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  No science questions? Ok, I am a little confused as to how the universe expands to give us a observable and non observable universe,explain?
  by tyuile on February 9th, 2012 | 1 person likes this

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  what makes the earth spin on its axis
  by MarkRAsr on March 6th, 2012 | 1 person likes this

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  Who says the universe has no purpose? Making things increasingly more complicated so to make things simpler is no purpose?
  by -O-uknow on February 26th, 2012 | 1 person likes this

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  What if gravity was not all over our universe, how could we use the measurement we use for matter and energy?
  by Marguerite on March 16th, 2012 | 1 person likes this

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