User Justin Braun - Space Exploration Stack Exchange

Justin Braun

Member for 5 years, 9 months
Last seen more than a month ago

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21 Answers

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46 votes

Which object has been to space the most times?

answered Dec 4, 2019 at 16:06

30 votes

Did Apollo 13 produce any scientific results?

answered Apr 17, 2020 at 20:12

28 votes

Accepted

What is the largest piece of space debris volumetrically?

answered Nov 21, 2019 at 20:12

14 votes

Could we breathe an atmosphere that is not nitrogen based?

answered Jul 6, 2018 at 15:11

9 votes

Why is SpaceX not also working on a smaller version of Starship?

answered Nov 21, 2019 at 0:23

6 votes

Could the Lunar Lagrange Points work for space telescopes?

answered Aug 3, 2018 at 19:01

6 votes

Sources of Xenon or other noble gases in space?

answered Mar 5, 2019 at 4:32

5 votes

What propulsion system would not pollute the surface when landing on a pristine celestial body?

answered Mar 5, 2019 at 1:24

5 votes

Could a thermal nuclear propulsion double as a nuclear reactor?

answered Apr 15, 2020 at 22:30

4 votes

How satellite orbital vacancies are determined?

answered Dec 17, 2019 at 18:13

4 votes

Would a person exposed to zero gravity for a long time have trouble riding a bicycle?

answered Dec 23, 2018 at 22:12

3 votes

What is the largest delta-v ever produced in space from mechanically stored energy?

answered Jun 22, 2018 at 15:46

3 votes

Temperatures in "near" space compared to LEO

answered Nov 21, 2019 at 20:23

2 votes

Are there any possible methods for keeping surface water on Mars?

answered Dec 15, 2019 at 21:19

2 votes

Is there any economical way to move the water from the Martian poles to the people?

answered Jun 12, 2018 at 13:28

2 votes

Why is ISRO Launch Escape System so SLOW?

answered Jul 6, 2018 at 15:20

2 votes

Capture protons from solar wind

answered Mar 4, 2019 at 2:44

2 votes

What is the number of launches by year?

answered Nov 9, 2020 at 1:44

1 vote

Is it possible to have a planet made entirely out of water?

answered Dec 6, 2019 at 17:37

1 vote

What is the most likely range of orbits for on-orbit servicing satellite?

answered Dec 12, 2019 at 20:32

1 vote

How many astronauts have had spiritual experiences while in space?

answered Dec 12, 2019 at 20:43