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Worldbuilding
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HopDavid's user avatar
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HopDavid
  • Member for 9 years, 11 months
  • Last seen more than 4 years ago
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About

I love art and math -- M.C. Escher is an influence. I enjoy science fiction. I'm interested in space exploration.

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38
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28
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31
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38
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Top posts
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12
Could a moon have its own satellites visible from the planet it orbits?
Mar 31, 2015
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8
How would life on the satellite of a Super-Jupiter be? Is it even possible for such a satellite to be habitable?
Feb 22, 2015
answer
7
Habitable moon of a gas giant: working out the sizes and distances
Jan 13, 2015
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5
Could a 19th century space gun be of any use today in space exploration?
Sep 26, 2015
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5
Asteroid as a generation ship
Feb 23, 2016
answer
4
What kind of lunar orbit would cause a total solar eclipse to happen once a day?
Mar 1, 2020
answer
3
How can I make rapid recovery from prosthetic arm surgery more plausible?
Feb 14, 2015
answer
3
How many Mars sized planets can form and remain stable in the habitable zone of a Sun-like star?
Sep 12, 2016
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3
How might an economy in which multiple planets are involved function?
Jul 26, 2018
answer
1
Could a civilisation exist as 'space-nomads'?
Jan 29, 2015
Top network posts
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53
How fast will 1g get you there?
41
Why don't we launch spacecraft from the Moon?
26
What's the path of something dropped from a space elevator
25
Can a natural satellite exist in a geostationary orbit?
24
What's the path of something dropped from a space elevator