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3answers
44 views
Liquids in hard vacuum.
Are there any liquids that can exist in hard vacuum, Or does the lack of pressure make all fluids go gaseous?
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1answer
22 views
Would there be G-forces on a person if the person was floating in water
With relation to my previos question (see http://payload42.com/questions/61/speed-needed-to-reach-iss) where I suggest using "artillery" to shoot a person into space, I was wonderi …
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1answer
34 views
Speed needed to reach ISS
If one were to shoot a projectile from a high mountain. What speed would be needed in order to reach height of the ISS? I would know how to calculate this, when not counting in fri …
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1answer
26 views
What is the difference between Space Physics and Astrophysics?
What is the difference between Space Physics and Astrophysics?
