Recent questions in Astrophysics

+14 votes

0 answers

Since the universe is expanding, can we trace the trajectories of the galaxies backwards to get the actual location of the Big Bang?

asked Aug 16, 2022 in Astrophysics by LiamTaylor

+173 votes

0 answers

What are other names that people use to call a black hole?

asked Aug 15, 2022 in Astrophysics by jerrydorm81422

+17 votes

0 answers

Can the sun ever rise in the west on Earth?

asked Aug 15, 2022 in Astrophysics by Squashrobinson

+21 votes

0 answers

What is the significance of sonifying cosmic data and events into audio renditions?

asked Aug 14, 2022 in Astrophysics by Paulp1

+3 votes

0 answers

Is it possible for us to find a point in outer space that does not contain any stars or galaxies?

asked Aug 11, 2022 in Astrophysics by howard

+18 votes

0 answers

How does an observer's distance from Earth affect the movement they notice in stars?

asked Aug 10, 2022 in Astrophysics by gordon bennett

+11 votes

0 answers

Where does the fire on the sun generates from?

asked Aug 10, 2022 in Astrophysics by definitiveplateau

+8 votes

0 answers

Is it possible that there is a large amount of dark matter floating around the Earth, but we just can't see it with our current technology and knowledge?

asked Aug 10, 2022 in Astrophysics by ShubieDoo

+6 votes

0 answers

Do any Sun-like stars have Earth-like planets orbiting them? If so, how many of those have intelligent life on those planets like we have on our Earth?

asked Jul 20, 2022 in Astrophysics by Beeero

+7 votes

0 answers

If a star with 200 solar masses can go supernova, producing enough energy for much of its mass to escape its gravity well, how can it be impossible for anything to escape a much smaller black hole?

asked Jul 20, 2022 in Astrophysics by Edtreff

+21 votes

0 answers

How does the sun’s rays come to the Earth even though there is no atmosphere?

asked Jul 13, 2022 in Astrophysics by manassa

+285 votes

0 answers

Does the Earth’s gravitational pull exist in deep space?

asked Jul 13, 2022 in Astrophysics by Louie007

+208 votes

0 answers

Can you explain the significance of AT2021lwx being nearly 100 times brighter than all the stars in the Milky Way combined, and how does it relate to the brightness of quasars?

asked Jul 13, 2022 in Astrophysics by metal mickey

+20 votes

0 answers

What happens to sound when it travels through outer space? Is there any way to prevent sound from escaping into the universe?

asked Jul 12, 2022 in Astrophysics by ChrisCC90

+24 votes

0 answers

For how long have the planets held their orbital positions?

asked Jul 11, 2022 in Astrophysics by spen123

+26 votes

0 answers

Are near circular Solar orbits directly the result of the net rotational momentum of the accretion disk at its formation? Did the countless random impacts circularize the orbits of the major planets, or was Jupiter the main cause?

asked Jun 20, 2022 in Astrophysics by mr silly

+7 votes

0 answers

How far away can you see stars? Would light pollution from artificial sources prevent you from seeing stars?

asked Jun 19, 2022 in Astrophysics by AstralCharm

+26 votes

0 answers

What is the largest size the observable universe could be? What is outside of the observable universe? Where does the universe end?

asked Jun 19, 2022 in Astrophysics by chelsea wood

+18 votes

0 answers

What is the difference between a white hole and a black hole? If someone fell into a white hole, what would happen to them?

asked Jun 18, 2022 in Astrophysics by Stugadget

+4 votes

0 answers

How many satellites are currently orbiting the Earth?

asked Jun 17, 2022 in Astrophysics by Speedy23

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