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hdhondt

Apparently, this user prefers to keep an air of mystery about them.

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  • Member for 3 years, 9 months
  • 6 profile views
  • Last seen Mar 19 at 0:17

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50 Why tantalum for the Hayabusa bullets? Jul 30 '19
12 How about space ziplines May 13 '19
6 Project Starshot acceleration Sep 19 '17
5 What is our ability to capture or reflect photons of 2.5×10^-12m wavelength? Nov 15 '16
3 What is the state of the art of exosolar planet imaging in 2019? Jul 1 '19
3 What can cause grooves (stairs like) features on Mars's ground that is opposite to water flow direction? Jan 16 '19
2 Feasibility of a small mass driver? Sep 3 '19
2 How fast were the Lunar Command Module and Landing Module traveling around the Moon when they reconnected? Jul 30 '19
1 Drone Racing on moon Oct 25 '16
0 Is centre of mass a factor in space without gravity? Dec 17 '17
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