Tagged Questions
3
votes
4answers
752 views
Can a balloon float into space? (+orbital velocity)
After watching the recent "space jump" a question arose. Why can a balloon not float into space? Can one be made/designed to do this?
Next, everything in orbit is falling back to earth. It only ...
4
votes
2answers
240 views
Consequences of destroying a space elevator
Suppose there is a fully functional space elevator built on Earth. The base is attached to coordinates
$
(\lambda, \varphi) = (0,0)
$
e.g., on the equator on the zero-meridian.
What would happen ...
3
votes
1answer
274 views
Radial fall in a Newtonian gravitational field [duplicate]
Suppose an object of mass $m$ starts at rest at a radial distance $ r_0$ from a perfectly spherical mass $M$ (where $m << M$), $r_0 > R =$ radius of $M$.
Can we analytically determine when ...
