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Everyday Astronaut's user avatar
Everyday Astronaut's user avatar
Everyday Astronaut's user avatar
Everyday Astronaut
  • Member for 6 years, 7 months
  • Last seen more than 2 years ago
35 votes

A starship is traveling at 0.9c and collides with a small rock. Will it leave a clean hole through, or will more happen?

19 votes

Would a grinding machine be a simple and workable propulsion system for an interplanetary spacecraft?

16 votes

Why doesn't Rocket Lab use a solid stage?

11 votes
Accepted

Why no parachutes in the Orion AA2 abort test?

11 votes

Bombing the Moon: how much debris would there be in stable orbit?

10 votes

What is the deepest we have penetrated a terrestrial body other than Earth?

9 votes

How are astronauts in the ISS protected from electric shock?

8 votes

How will SpaceX's Starship accommodate its 100 passengers from the effects of micro-gravity?

8 votes
Accepted

Starlink vs 5G technology, are they directly competing services?

7 votes

Why will the BFS reenter broadside rather than engine first?

5 votes
Accepted

How long does trash jettisoned by hand from the ISS fall before burning up on reentry?

5 votes

Why is private spaceflight suddenly expanding so quickly?

5 votes

Did any rockets use differential throttling instead of gimbal?

5 votes

The Orbital Mass Accelerator Engine Theory

4 votes

Is the SLS irrelevant if the Falcon Heavy launch is successful this year?

4 votes

What factors do (or are expected to) limit reuse of a Falcon 9 block 5 first stage?

4 votes

Assuming a spacecraft is traveling in a constant rate and our Astronaut will exit it to a space walk, will she be "left behind" by the spacecraft?

4 votes
Accepted

What would sounds on Mars be like?

4 votes

What impact will the deorbiting of thousands of satellites have on the atmosphere?

3 votes

What does the exhaust plume of a rocket look like in vacuum?

3 votes

Does Falcon 9's first stage use laser, radar or vision to assist landing?

3 votes

Why is delta-v the most useful quantity for planning space travel?

3 votes

What would sounds on Mars be like?

2 votes
Accepted

How to plot a Clohessy Wiltshire trajectory on MATLAB?

2 votes

Accelerating spaceships via planetary magnetic fields

2 votes

Is there any experimental work being done on terraforming?

2 votes

What is the deepest we have penetrated a terrestrial body other than Earth?

2 votes
Accepted

Do Falcon 9/Heavy Block 5 boosters need landing legs? Or can they land back on their launch mounts?

2 votes

How does Orbex save structural weight by using coaxial tanks?

1 vote

What happens in to the fuel in fuel-rich Lox-Kerosene?