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Space Exploration
hdhondt's user avatar
hdhondt's user avatar
hdhondt's user avatar
hdhondt
  • Member for 7 years, 9 months
  • Last seen this week
  • Australia
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55
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Top posts
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55
Why is tantalum being used for the Hayabusa bullets?
Jul 30, 2019
12
How about space ziplines
May 13, 2019
8
What is our ability to capture or reflect photons with a wavelength of $2.5×10^{-12}$ meters?
Nov 15, 2016
7
Was the launch of "Tianhe" a failure or success?
May 4, 2021
6
Project Starshot acceleration
Sep 19, 2017
5
How fast were the Lunar Command Module and Landing Module traveling around the Moon when they reconnected?
Jul 30, 2019
3
What can cause grooves (stairs like) features on Mars's ground that is opposite to water flow direction?
Jan 16, 2019
3
What is the state of the art of exosolar planet imaging in 2019?
Jul 1, 2019
2
Feasibility of a small mass driver?
Sep 3, 2019
1
Drone Racing on moon
Oct 25, 2016
Top network posts
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89
Are there too few Supernova Remnants to support the Milky Way being billions of years old?
86
Given that ice is less dense than water, why doesn't it sit completely atop water (rather than slightly submerged)?
67
Why is nuclear waste more dangerous than the original nuclear fuel?
59
Are recent claims from India of a car fueled by water and calcium carbide legitimate?
55
Is it theoretically possible to sail from north east Russia to Pakistan in a straight line?