user avatar
user avatar
user avatar
Fred
  • Member for 7 years, 4 months
  • Last seen this week
  • Southern Hemisphere
2 answers
29 votes
726 views
2 bookmarks
How deep could a lunar mine go?
2 answers
18 votes
17k views
6 bookmarks
Is there enough iron on the Moon to support industry?
1 answer
15 votes
4k views
2 bookmarks
The maximum depth Apollo astronauts dug into lunar regolith?
2 answers
15 votes
2k views
1 bookmarks
Which precious metals have been detected via samples taken from Earth's moon or Mars?
2 answers
15 votes
4k views
3 bookmarks
How hard is the Lunar surface?
3 answers
12 votes
981 views
3 bookmarks
How would a zero gravity cat litter box work?
1 answer
11 votes
443 views
1 bookmarks
Are there relevant resources on the Moon for civil engineering?
1 answer
11 votes
1k views
3 bookmarks
Practical Lunar He-3 mining approach?
1 answer
10 votes
3k views
3 bookmarks
Constant lunar sub-surface temperature
1 answer
8 votes
433 views
2 bookmarks
Might thermal mass, reflective insulation, and limiting light penetration allow heat control on the Moon? (reboot)
1 answer
8 votes
7k views
1 bookmarks
What is the temperature variation between the lunar day and night on the moon?
1 answer
8 votes
2k views
1 bookmarks
Are rocks on Mars or the Moon the same as rocks on Earth?
1 answer
8 votes
306 views
3 bookmarks
Any regolith lunar samples tested for organics?
3 answers
7 votes
3k views
2 bookmarks
Lunar excavation by blasting - would there be unique challenges, difficulties or safety issues?
3 answers
7 votes
686 views
1 bookmarks
Vehicle liquids freeze on Moon
1 answer
7 votes
2k views
2 bookmarks
Does the temperature near the surface of the Moon rise rather quickly with depth?
1 answer
7 votes
2k views
1 bookmarks
What is the temperature of the lunar core?
2 answers
7 votes
729 views
2 bookmarks
How much can be said about the bedrock of the Moon?
0 answers
7 votes
239 views
1 bookmarks
Low energy cements for Mars and Callisto. Waterless cement for the Moon. Any good candidates?
2 answers
6 votes
979 views
1 bookmarks
What is an approximation of how much silver could exist on the moon?
1 answer
5 votes
1k views
1 bookmarks
Copper abundance in the Moon
2 answers
4 votes
1k views
2 bookmarks
"Lunar vacuum cleaner": Design considerations for regolith dust suction system in exospheric conditions
2 answers
3 votes
879 views
1 bookmarks
Bombing Moon and Mars: What would it look like?
1 answer
1 vote
362 views
1 bookmarks
Was there magma on the moon ? Is it still there
2 answers
1 vote
161 views
1 bookmarks
Could one use an adjusted idealized greenhouse model to calculate the local average temperature on Mars?