Recent questions in Astrophysics

+6 votes

0 answers

How did all of the moons in our solar system end up orbiting their respective planets?

asked Nov 15, 2022 in Astrophysics by DC70

+27 votes

0 answers

If the Sun is a star, how come we can’t see it at night?

asked Nov 12, 2022 in Astrophysics by Landscape Consultant

+107 votes

0 answers

Isn't Mars too far away from the sun to colonize?

asked Nov 11, 2022 in Astrophysics by CrystalScribe

+21 votes

0 answers

How much dark matter do most planets contain?

asked Nov 10, 2022 in Astrophysics by OnlyGus

+202 votes

0 answers

How do intelligent design and young Earth creationists explain black holes?

asked Oct 15, 2022 in Astrophysics by Scottt03

+95 votes

0 answers

How is the distance between celestial bodies calculated? Is the distance from Earth to the sun measured between the cores or surfaces of both objects?

asked Oct 14, 2022 in Astrophysics by DLS

+6 votes

0 answers

Does our sun have any reason to be so far from everything else?

asked Oct 14, 2022 in Astrophysics by shelfstretch

+4 votes

0 answers

What is the difference between a star and the Moon?

asked Oct 13, 2022 in Astrophysics by Dilligaf

+36 votes

0 answers

Can planets be detected around a star by looking at it from Earth without using telescopes or spacecrafts?

asked Oct 13, 2022 in Astrophysics by David Tunstall

+13 votes

0 answers

It gets colder as you go up from the Earth and reach space. How close can you get to the Sun in the vacuum of space before it starts to feel hot again?

asked Oct 12, 2022 in Astrophysics by 602 Trooper

+313 votes

0 answers

What is the definition of darkness? Is darkness the absence of light? If so, then is there darkness in outer space between stars and galaxies? If not, then how can we define emptiness as a void of anything or nothingness?

asked Oct 10, 2022 in Astrophysics by DavidMey

+15 votes

0 answers

What is the mathematical definition of the center of the universe? How does this apply to an infinite universe?

asked Sep 19, 2022 in Astrophysics by Kutch

+5 votes

0 answers

What is dark energy? Is it invisible to humans like dark matter?

asked Sep 18, 2022 in Astrophysics by DLS

+22 votes

0 answers

How far is Pluto from the Sun, and when will it be closer to the Sun again in its orbit?

asked Sep 14, 2022 in Astrophysics by Simoneff

+146 votes

0 answers

Am I the only one who thinks the entire dark matter/energy thing is imbecilic? Why do we assume dark matter and energy when we should be revising our fundamental laws against the observed discrepancies?

asked Sep 14, 2022 in Astrophysics by MikeByfield

+318 votes

0 answers

Would the Earth have "phases" as seen from the moon, such as full, crescent, etc., as we see phases of the moon from Earth?

asked Sep 11, 2022 in Astrophysics by London mike 61

+19 votes

0 answers

What if the Ultramassive Black Hole TON 618 appeared near Earth?

asked Sep 10, 2022 in Astrophysics by Aidenb123

+16 votes

0 answers

Why do galaxies and black holes remain as they are forever?

asked Aug 20, 2022 in Astrophysics by LuminousAlchemy

+2 votes

0 answers

At what point in an elliptical orbit is the acceleration maximum?

asked Aug 19, 2022 in Astrophysics by StellarHarmony

+105 votes

0 answers

What keeps black holes from falling into themselves?

asked Aug 18, 2022 in Astrophysics by CrystalSculptor

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