User geoffc - Space Exploration Stack Exchange

geoffc

Member for 10 years, 4 months
Last seen this week

community.microfocus.com/…
Brooklyn, NY, United States

673 Answers

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33 votes

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

answered Nov 18, 2020 at 13:30

32 votes

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

answered Feb 3, 2015 at 18:55

32 votes

Accepted

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

answered Feb 2, 2017 at 18:20

32 votes

Why are there no spacecraft rotating for artificial gravity?

answered Aug 26, 2015 at 13:28

31 votes

Accepted

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

answered Dec 8, 2014 at 15:32

31 votes

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

answered Aug 2, 2013 at 20:22

30 votes

Accepted

Can a rocket be launched while it rains?

answered Mar 2, 2014 at 12:53

30 votes

Accepted

Apollo command module space walk?

answered Apr 16, 2019 at 16:44

30 votes

Accepted

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

answered May 31, 2015 at 10:42

29 votes

Accepted

Why are three cosmonauts required to move a Soyuz?

answered Nov 2, 2013 at 23:07

29 votes

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

answered Dec 16, 2020 at 21:14

28 votes

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

answered Feb 26, 2015 at 12:50

28 votes

Accepted

Isn't Starship way too big?

answered Apr 20, 2021 at 15:19

28 votes

Accepted

Has there been any collision between two active spacecrafts?

answered Apr 7, 2015 at 11:19

28 votes

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

answered Apr 22, 2015 at 1:58

28 votes

Accepted

More efficient SpaceX landings?

answered Mar 8, 2017 at 18:28

26 votes

Accepted

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

answered Mar 28, 2018 at 16:14

26 votes

What caused the N1 to become a failure?

answered Apr 6, 2016 at 15:18

25 votes

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

answered Mar 3, 2014 at 13:30

25 votes

Accepted

How far would the STS get without the SRBs

answered Nov 9, 2014 at 1:43

25 votes

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

answered Feb 6, 2018 at 16:44

24 votes

Accepted

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

answered Jan 6, 2015 at 13:43

24 votes

Accepted

Why is the Angara rocket called eco-friendly?

answered Dec 23, 2014 at 13:51

24 votes

Why create a production line for the SpaceX Starship?

answered Mar 12, 2020 at 10:54

23 votes

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

answered Jan 14, 2015 at 19:45

23 votes

Accepted

Why did the Russians never land on the Moon?

answered Jul 18, 2013 at 12:39

23 votes

What made NASA shut down the Shuttle program?

answered Aug 11, 2013 at 14:37

23 votes

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

answered Jul 25, 2018 at 12:12

23 votes

Accepted

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

answered Feb 16, 2018 at 17:18

23 votes

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

answered Jul 14, 2021 at 10:00

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