Space Exploration
Ray Butterworth's user avatar
Ray Butterworth's user avatar
Ray Butterworth's user avatar
Ray Butterworth
  • Member for 4 years, 8 months
  • Last seen more than a month ago
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About

17 semesters of university (Computer Science and Operations Research), 35 years of software design and programming, and now retired and doing what I'm so obviously qualified for: rental housing renovations and landscaping.

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All Questions Answers
Score Newest
answer
11
How much did all the space agencies spent on rockets launching and space exploration? What are the benefits for me and you?
Jul 22, 2019
question
6
Are Lagrangian points associated only with the smaller body?
Jun 18, 2019
answer
4
Instead of approaching Mars from behind can we approach Mars from the front of its orbital path?
Mar 17, 2019
answer
4
What pushes back on rockets?
Jul 21, 2019
Top network posts
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141
How did Trump's January 6 speech call for insurrection and violence?
127
Best way to get my money back from a friend having family problems
95
Found a severe error in a conference paper after presentation but before the proceedings
85
In the event of a siren warning the public of a gas leak, is it actually advisable to listen to the radio when smelling gas?
82
If "more guns less crime", how do gun advocates explain that the EU has less crime than the US?

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