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geoffc
  • Member for 10 years, 4 months
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14 votes

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

13 votes
Accepted

Pollution by rockets and missiles

13 votes

How large could launchers become?

13 votes
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What difficulties will be faced modifying the Falcon 9 FT, so to have better and easier landings of the 1st stage from a GTO mission?

13 votes

Why does the video feed always fail during Falcon 9 landings?

13 votes

Why do KSC crawler-transporters use caterpillar treads instead of rail tracks?

13 votes

What is the fundamental difference between SpaceX from one side and Lockheed Martin from other?

13 votes

How does the Falcon 9 know where the landing barge/pad is?

13 votes
Accepted

What is a dual-combustion chamber design?

13 votes
Accepted

What are the two openings above the Shuttle's cockpit?

13 votes

What factors limit the lifetime of an unmanned spacecraft?

13 votes
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What caused SES-8's Falcon 9 launch computer to abort at T+2 seconds?

13 votes

How does the ISS adjust its solar panels?

13 votes
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How is SpaceX going to land their Falcon first stage?

13 votes

What missions could be done with Orion on Falcon Heavy?

13 votes
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How many companies are active in commercial space exploration

13 votes

Why can the Falcon 9 be reused while the SLS cannot?

13 votes
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Can you swim in space?

13 votes

Why are Starship landings so difficult when SpaceX has landed so many boosters?

13 votes

Why not land SpaceX's Starship like a plane?

13 votes
Accepted

Why won't they recover the Falcon 9 from CRS-14?

13 votes

Will the Tesla Roadster return any telemetry?

13 votes

SpaceX and propulsive landing on Mars -- what just happened? (and why?)

12 votes

Why is NASA planning to deorbit the ISS instead of reusing its newer modules, like the Russians will?

12 votes

Is there any rule for rocket engine nozzle proximity from each other?

12 votes

How are Falcon-9 telemetry data transmission errors handled?

12 votes

Is it possible the Falcon Heavy Demo flight could be done with three previously flown boosters?

12 votes

When the ISS accelerates, do the astronauts feel it?

12 votes
Accepted

Why is there so much variation in the number of engines on launchers?

12 votes
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What will be "unique" about upcoming SES-9 GTO transfer profile by SpaceX?

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