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zephyr

Just a programmer with programming questions, and a bit of knowledge to share.

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74
Is it possible to achieve a stable "selenostationary" orbit around the Moon?
astronomy.stackexchange.com

55
Where did TRAPPIST-1a go?
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42
Can a tectonically inactive planet retain a long-term atmosphere?
astronomy.stackexchange.com

39
Why didn't the Big Bang produce heavier elements?
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33
Is the universe considered to be flat?
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30
Maximum spin rate of a black hole?
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29
Why don't we see "the milky way" in both directions?
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28
The Loose Astronaut
space.stackexchange.com

25
Explosions of black holes
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24
Where did the Sun get hydrogen to work with if it is in the 3rd generation of stars?
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23
Is it possible that a star is the center of a galaxy?
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23
Did the earth form outside the solar system?
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21
Why do aliens have to be carbon based lifeforms?
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19
Is there a gas giant orbiting TRAPPIST-1?
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18
Are the planets Trappist-1 in the solar system?
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17
What is the Galactic Latitude and Galactic Longitude? How is different from the latitude and longitude we use on Earth?
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16
Does my Fast-as-Light travel method run afoul of causality or relativity?
worldbuilding.stackexchange.com

15
Why do certain moons have their rotational period equal to their orbital period?
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14
Why is Enceladus's albedo greater than 1?
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14
What does forward modeling mean?
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12
Can the difference between a star and a galaxy which are point sources be detected?
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12
Does the Sun have any atmosphere?
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12
Why is gravity only an attractive force?
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12
Why "Dark matter" is still considered?
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11
What does it mean for a proto-neutron star to be opaque to neutrinos?
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11
Do astronomers generally agree that the distinction between comets and asteroids is not so clear?
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11
Does the age of the universe take into account General Relativity / Special Relativity?
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11
How does the Hubble telescope capture long-exposure photos?
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11
Why does the Moon's terminator look "wrong" in this image?
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10
How do we know how the Sun (or any star, for that matter) will evolve?
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