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Space Exploration
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Puffin
  • Member for 9 years
  • Last seen this week
  • UK
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About

Spacecraft systems engineer for over 20 years.

  1. Sometimes: "knowledge" = "justified, true belief", unless of course one is right but for the wrong reasons, and also perhaps only in the English language, with our specific meanings for those words.

  2. "In general..."

    sometimes "applies all of the time and without exception"

    sometimes "applies most of the time, with some exceptions"

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Top posts
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24
How serious a problem can outgassing of satellites be?
Sep 21, 2016
20
Nuances of the terms (mean / osculating / Keplerian / orbital) elements
Apr 10, 2016
16
Can you really use Arduino for a small spacecraft?
Feb 5, 2016
16
NASA cost estimating and Falcon 9
Mar 8, 2016
15
Why is the ribbon of decommissioned geosynchronous satellites skewed?
Nov 3, 2015
14
Why don't reaction wheels destabilize spacecraft over time?
Dec 2, 2015
14
What's the largest single object payload ever lifted into space?
Jan 22, 2016
13
How much is a geostationary satellite expected to deviate from the geostationary orbit?
Jan 13, 2017
13
What are the conditions for re-entry of an object in a (highly) elliptical orbit?
Apr 23, 2017
13
Why does spinning help stabilisation?
Dec 19, 2017
Top Meta posts
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6
Beginner questions adding maneuverability and/or guidance under power to amateur model rockets; could/should they be closed as inherently dangerous?
3
Confusion in creating a tag
Top network posts
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11
Does natural plant decomposition release more greenhouse gases than burning
9
What is the residue after plant matter is completely decomposed?