Space Exploration
notovny
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For you the cosmic microwave background was emitted thirteen and a half billion years ago. For this neutrino, it was Tuesday.

Draim Tetrahedral constellation

Dream a little Draim with me.

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39
Is there a self-rounding celestial body from which an Olympian could jump into space?
Jan 22 '20
38
If you release a tool outside the ISS in space will it remain at the "same" place forever?
Nov 1 '21
23
Why do many Mars missions launch now, if the Hohmann transfer orbit is the most propellant-saving one?
Jul 25 '20
17
Are any Earth orbits in continual shadow of the Earth?
Oct 8 '21
16
When calculating the six Keplerian Orbital Parameters, why do we need both Eccentricity AND the Semi-Major Axis? Doesn't one tell you the other?
Jan 1
16
Projecting shadows, or even a movie, on the moon
Nov 22 '21
13
Required Orbital Components to Fully Define Orbit
Dec 28 '21
11
Is there a neat formula for hyperbolic Kentucky windage?
Aug 27 '21
10
What can be determined about an orbit if it passes through two points
Oct 9 '21
8
Obtaining orbital state vectors given two position vectors and an eccentricity
Dec 22 '21
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73
Why is the asteroid belt shaped like a triangle?
52
Why won't the Sun set for days at N66.2 which is below the arctic circle?
29
Animated film/TV series where fantasy sorcery was defeated by appeals to mundane science
27
Earth is accelerated out of the solar system - do we keep the Moon?
23
Are there any examples in D&D lore (all editions) of metallic or chromatic dragons switching alignment?

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