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geoffc
  • Member for 10 years, 4 months
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33 votes

Why is the SpaceX crew-1 mission more important than the previous one (demo-1)?

32 votes

How do the sizes of the various proposed manned capsules differ?

32 votes
Accepted

What makes 21st century fairings so valuable that they'd potentially be recovered and re-used?

32 votes

Why are there no spacecraft rotating for artificial gravity?

31 votes
Accepted

Why were jet engines not used in place of the solid fuel in the STS SRBs?

31 votes

What happens to defunct lunar and Mars rovers? What technological barriers prevent humanity from creating a perpetual rover?

30 votes
Accepted

Can a rocket be launched while it rains?

30 votes
Accepted

Apollo command module space walk?

30 votes
Accepted

Why is Falcon 9's shape so tall and skinny?

29 votes
Accepted

Why are three cosmonauts required to move a Soyuz?

29 votes

For the Starship SN8 flight, did they lose engines in flight?

28 votes

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

28 votes
Accepted

Isn't Starship way too big?

28 votes
Accepted

Has there been any collision between two active spacecrafts?

28 votes

Why does SpaceX have a launch window for a pad abort test?

28 votes
Accepted

More efficient SpaceX landings?

26 votes
Accepted

Why is there a need for getting rid of ISS trash using the empty ATV and similar vehicles

26 votes

What caused the N1 to become a failure?

25 votes

What is the purpose of the jets of water often under rocket engines during launch?

25 votes
Accepted

How far would the STS get without the SRBs

25 votes

Why is the Falcon Heavy first launch being given such a risk of failure?

24 votes
Accepted

How will SpaceX achieve landing of the Falcon 9 first stage?

24 votes
Accepted

Why is the Angara rocket called eco-friendly?

24 votes

Why create a production line for the SpaceX Starship?

23 votes

What happens to the Falcon 9 second stage after payload separation?

23 votes
Accepted

Why did the Russians never land on the Moon?

23 votes

What made NASA shut down the Shuttle program?

23 votes

Will SpaceX delay launches, if the landing site weather is unacceptable?

23 votes
Accepted

Will SpaceX attach its fairings to a booster to recover them?

23 votes

Why does Virgin Galactic's SpaceShipTwo need a carrier airplane?

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