Space Exploration Beta
Profile Activity
Meta user
Network profile
1,345
reputation
6
15

djr

Apparently, this user prefers to keep an air of mystery about them.

19
answers
0
questions
~38k
people reached
  • Member for 5 years, 7 months
  • 13 profile views
  • Last seen 1 hour ago

Communities (4)

Top network posts

Top tags (43)

Score 31
Posts 3
Posts % 16
Score 21
Posts 3
Score 17
Posts 4
Score 13
Posts 1
Score 12
Posts 1
Score 12
Posts 1
View all tags →

Top posts (19)

All Questions Answers
Votes Newest
17 Do companies/governments ever sell satellites that are already in space? Jan 21 '17
13 Puzzler - which spacecraft(s) incorporated real wood structural elements? Oct 30 '16
12 What would one need to do to get an amateur satellite into orbit? Dec 9 '17
8 Is it true that hydrogen is the only practical fuel for upper stages? Jul 12 '18
8 Is HAN-water propellant “green” enough to ever be used in a cubesat? Oct 30 '16
6 Why not build rockets out of composite materials? Dec 28 '15
5 If I wanted to try to terraform Mars, who would have the authority to stop me? Oct 28 '18
5 How fast is the onset of periodic eclipse for a spacecraft in LEO? Mar 24 '18
5 Why Never-EVER Land? Mar 22 '18
5 How might the experience of a trip to Mars differ in comfort and heath impact from a stint on the ISS? Mar 9 '18
View all questions and answers →

Badges (21)

Gold

—

Silver

6

Rarest

Bronze

15

Rarest

View all badges →

Your privacy

By clicking “Accept all cookies”, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy.