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Mark777's user avatar
Mark777's user avatar
Mark777's user avatar
Mark777
  • Member for 8 years, 5 months
  • Last seen more than 5 years ago
15 votes

Is the supercooled LOX used in Falcon 9 Full Thrust a first?

12 votes
Accepted

Could a Delta 4 Heavier be built?

11 votes
Accepted

Can a Boeing CST-100 be used to provide station reboost?

9 votes

Is there any possible way to reduce the cost of a manned mission to the Moon?

9 votes

Could a rocket engine be designed to use different fuels? (Like LOX+H2, LOX+CH4)

9 votes
Accepted

Why does the BE-3 use hydrogen as fuel?

7 votes

What payload was expected for the 2018 Mars Dragon flight ("Red Dragon")

6 votes

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?

5 votes

What was the maximum thrust of the Rocketdyne F-1 engine?

5 votes

What was the earliest piece of debris to survive reentry?

5 votes
Accepted

How many booster stages can SpaceX store at Cape Canaveral?

4 votes

Why not land Red Dragon on the Moon?