Tagged Questions
1
vote
2answers
127 views
Can Outer Space be used for Waste Disposal?
If harmful toxic, nuclear and other wastes are dangerous if improperly disposed on Earth, can't they be launched into space? If a large, tightly bound mass of waste were to be propelled into outer ...
1
vote
2answers
107 views
Will a rotating object traveling along a linear path continue to rotate forever in space?
Suppose engineers built a cylinder-shaped space ship which rotates to create artificial gravity:
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19
votes
1answer
709 views
Why does it take so long to get to the ISS?
I don't understand why when first launched Space X's Dragon capsule had to orbit the Earth many times in order to match up with the ISS? Was this purely to match it's speed, or to get closer (as in ...
10
votes
3answers
123 views
Why are spacecraft made to “spin” after launch?
At some point after launch, usually just before or after separation from the last booster stage, spacecraft are often made to "spin" (about the axis of their trajectory)? See e.g this You Tube video. ...
0
votes
0answers
115 views
interstellar travel [closed]
Interstellar Travel
Suppose I'd like to take a trip to a Alpha Centauri, about 25.8 trillion miles northeast of Birdseye, Indiana. Assume I have controlled fusion reactors and access to all resources ...
16
votes
5answers
5k views
How long does it take to travel 36 light years with tolerable acceleration and deceleration?
The recent discovery of HD85512b only 36 light years from Earth has promising attributes to harbor life. Assuming we want to travel there, we cannot instantaneously jump to light speed, (StarTrek ...
