Space Exploration
HopDavid's user avatar
HopDavid's user avatar
HopDavid's user avatar
HopDavid
  • Member for 9 years
  • Last seen more than a month ago
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178
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14
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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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308
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54
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28
Posts %
171
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24
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12
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123
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16
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8
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109
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21
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11
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108
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20
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97
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Top posts
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All Questions Answers
Score Newest
answer
52
How fast will 1g get you there?
Jul 21, 2014
answer
41
Why don't we launch spacecraft from the Moon?
Aug 4, 2015
answer
25
What's the path of something dropped from a space elevator
Sep 1, 2014
question
23
What's the path of something dropped from a space elevator
Sep 1, 2014
answer
23
Gravity Assist braking
Dec 4, 2014
answer
23
Why did SpaceX attempt to land the booster on a barge instead of somewhere on land?
Jan 12, 2015
answer
22
What's after Pluto for New Horizons?
May 22, 2014
answer
21
How long will a 500 km altitude satellite spend in Earth - shade per orbit
Aug 31, 2015
answer
21
What is the rarest launch window?
Jul 12, 2018
answer
19
Reverse Lunar Space Elevator
Dec 10, 2014
Top network posts
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24
Can a natural satellite exist in a geostationary orbit?
18
What's the ball of light in HBO's Game of Thrones intro?
15
How often do stars pass within 1 light year of the Sun?
12
Connection between Sandkings and Game of Thrones?
12
Could a moon have its own satellites visible from the planet it orbits?

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