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userLTK
  • Member for 8 years, 6 months
  • Last seen more than a week ago
55 votes
Accepted

If a spaceship ran out of fuel somewhere in space between Earth and Mars, does it slowly drift off to the Sun?

11 votes

How can I intuitively understand gravity assists?

9 votes

Could you use a hypersonic space plane to fly into space?

8 votes
Accepted

What would happen if an Earth-sized body encountered Jupiter?

6 votes

Brown dwarfs: could they be used to gain velocity in either a gravity-assisted slingshot or an Oberth maneuver? Why or why not?

5 votes

Why doesn't Dawn create and release colour images of Ceres?

5 votes
Accepted

Could Mars ocean still be there?

5 votes
Accepted

What is the maximum number of gravity assists that a spacecraft can use in our Solar System?

4 votes
Accepted

How spherical is the Hill Sphere?

3 votes

What is the fastest speed ever reached in space travel as measured from the point in space from which it was launched to its current/final position?

3 votes

Could a Human reach escape velocity by jumping from the surface of Ceres (a dwarf planet)?

3 votes

Could a cloud of dense gas, such as xenon, deflect a hazardous asteroid?

3 votes
Accepted

Warming Mars by increasing dust infall?

2 votes

How close can the moon orbit before it becomes unstable in its path

1 vote
Accepted

Considering the relativity of time, how is time experienced in deep space?

1 vote

Planet building: collision without fragmentation?

1 vote

Would it have been cheaper and/or faster to put a James Webb-like Space Telescope on a balloon instead of a rocket?