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Space Exploration
johnDanger's user avatar
johnDanger's user avatar
johnDanger's user avatar
johnDanger
  • Member for 4 years, 11 months
  • Last seen more than a month ago
  • USA
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8
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Top posts
11
Sending rockets to space will eventually consume all of our resources?
Jun 25, 2020
8
What will the US government start to label its GPS spacecraft after SVN 99
Dec 2, 2019
8
What are the pros and cons of Doppler radar versus Doppler lidar?
Oct 16, 2019
4
Could DOD earth observation (i.e. spy) satellites have photographed the Columbia Orbiter on STS-107?
May 13, 2020
3
Why don't we use sound suppression system when rocket lands propulsively?
Oct 16, 2019
2
How does SpaceX plan to deal with possible methane buildup around Starship?
Mar 5, 2021
2
Why wouldn't NASA save Orion if Artemis 1 failed
Nov 16, 2022
2
Is wind-power a viable backup power source for Mars One?
Jun 17, 2020
1
What's the longest time that an astronaut remained in free fall?
May 13, 2020
0
How does a planet's gravity push away smaller bodies that would otherwise intersect its orbit?
May 5, 2020
Top network posts
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90
Python, Pandas : write content of DataFrame into text File
38
Is it appropriate to say "Excel hell" on a LinkedIn profile?
35
Pandas Select DataFrame columns using boolean
35
Did the percent of humans living on < $2/day drop from 94% to 8.6% since 1820?
23
Remove Last Path Component In a String