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2answers
10 views
Space Balloon to the edge of space
I would really like to do something like this and be able to send a Balloon into space with a video camera attached to it. I know this is not very expensive, and was wondering if t …
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2answers
11 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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0answers
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What is the difference between Space Physics and Astrophysics?
What is the difference between Space Physics and Astrophysics?
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0answers
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Will triboelectrification constraints impact Ares I the same way as Ares I-X?
Right now the Ares I-X test vehicle is on the pad and is likely to have its launch scrubbed for the second time. Will launches of Ares I, the crew-carrying vehicle for NASA's Const …
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0answers
9 views
Is OpenFOAM CFD software suitable for modeling flow around launch vehicles?
NASA developed the Overflow computational fluid dynamics software for modeling the flow of gases around the space shuttle. Is OpenFOAM a suitable substitute? Can anyone summarize t …
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0answers
6 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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0answers
1 views
STS-129 Atlantis launched
STS-129 is off and away.
I've tagged this as community wiki for discussion on the mission.
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6 views
What should I look for when buying a telescope made by an individual?
Someone has offered to sell me a telescope he made a few years ago. It's a Dobsonian mount, truss-tube reflector. The mirror was purchased from a commercial vendor. It looks like a …