Fred's user avatar
Fred's user avatar
Fred's user avatar
Fred
  • Member for 7 years, 11 months
  • Last seen this week
  • Southern Hemisphere
19 votes
1 answer
1k views

Procedure to deal with the death of Apollo astronaut during a lunar mission

10 votes
2 answers
872 views

Impact of space junk on Earth based space elevators

9 votes
2 answers
496 views

Proposed Christmas Island launch site, 1952 von Braun Luna Study

8 votes
2 answers
128 views

Offset of the DART roll out solar arrays [duplicate]

8 votes
1 answer
271 views

How did the Curiosity rover on Mars manage to crack open a large area after drilling a hole?

8 votes
0 answers
245 views

Silane as a rocket fuel

6 votes
1 answer
402 views

White crack infill on the surface of Mars in the Gale Crater

6 votes
1 answer
181 views

Viking 1 - Cydonia Face on Mars Photograph Multitudinal Black Dots

6 votes
1 answer
715 views

The practicalities of a rock sampling mission to Venus

6 votes
1 answer
143 views

Depth to diameter ratio of impact craters

5 votes
0 answers
103 views

Official or designated human language in outer space

4 votes
1 answer
310 views

The Doppler effect on light when space probes take pictures

4 votes
2 answers
296 views

Surface Rock Temperature of Venus

4 votes
1 answer
106 views

Proposals being considered for dealing with deceased future colonists on Mars or Elsewhere in the Cosmos

3 votes
3 answers
306 views

Laws and Treaties for Activities in Outer Space

3 votes
1 answer
247 views

Radioactive Embrittlement of Metals in Space

3 votes
1 answer
88 views

Radio antenna used to communicate with the Telstar 1 satellite in 1962

3 votes
1 answer
145 views

Space astro/cosmo-naut rejection due to fine veins

3 votes
1 answer
132 views

Lunar satellite navigation system

3 votes
1 answer
52 views

Tracking stations that could have been used in 1967 & 1971 for the launches of the WRESAT & Prospero, X3 satellites from Australia

3 votes
1 answer
205 views

Small probes to Alpha Centauri powered by light sails with a journey time of 20 years

2 votes
1 answer
106 views

Solid metal fuel for nano satellite thrusters

2 votes
2 answers
69 views

Mars Insight probe solar panels - could or are they being used to collect some types of surface illumination data?