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geoffc
  • Member for 10 years, 10 months
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17 votes
Accepted

Are any rockets currently in use capable of putting a man on the Moon?

17 votes

SpaceX's ITS - why gimbal only the inner cluster?

17 votes

Is there any evidence that NASA was worried about deep lunar dust?

17 votes

Are artificial satellites completely sealed or open to space?

17 votes
Accepted

Is any space station planned to be put in orbit in decade 2014-2024?

17 votes

Why haven't more spacecraft/satellites been hit by debris?

17 votes

Why did the Saturn V stage fairing appear to burn after separation?

16 votes

Saturn V Exhaust Plume

16 votes
Accepted

How does SpaceX plan to deal with boiloff on the trip to Mars?

16 votes

How would astronauts brave a 19 hour trip to ISS inside Crew Dragon capsule?

15 votes
Accepted

Why is fuel cheap compared to rocket?

15 votes

Where is the other half (stage two) of the SpaceX Falcon 9 rocket?

15 votes
Accepted

Why hasn't Dragon been reused before CRS-11?

15 votes

How much do orbital debris cost annually to satellite operators?

15 votes

What is simulated payload and why are they used?

15 votes

Could SpaceX start testing to return the Falcon 9 first stage to land instead of water?

15 votes
Accepted

What will the next ISS resupply launch be named?

15 votes
Accepted

Has a pad abort ever been done on an actual launch?

15 votes
Accepted

Will SpaceX open up space to the public?

15 votes
Accepted

Quality vs. Quantity for Rocket Engines

15 votes

Do astronauts on board the ISS have a backup spacesuit?

14 votes
Accepted

What is a "space elevator"?

14 votes
Accepted

What technological hurdles prevent the development of a space gun?

14 votes
Accepted

Why will the Orion system land on water, while the Soyuz lands on land?

14 votes
Accepted

Could a Falcon 9 land carrying its second stage and payload?

14 votes
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Who can now resupply the ISS?

14 votes
Accepted

Does SpaceX name individual boosters?

14 votes
Accepted

What is the ring at the bottom of the Merlin vacuum engine?

14 votes

How can the Starship booster stand vertically without falling over?

14 votes

What can the ISS do that a SpaceX Starship could not?

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