Recent questions in Astronomy

+11 votes

0 answers

What would happen if the Moon stopped during a solar eclipse and it was permanently in front of the Sun (theoretical)? How long would the Earth survive?

asked Apr 12, 2022 in Astronomy by Esined

+264 votes

0 answers

Would the line of terrestrial planet with an abundance of heavy elements on board being Mercury with the most, Venus, Earth and Mars with the least suggest a process is being undertaken?

asked Apr 12, 2022 in Astronomy by sparky steve

+2 votes

0 answers

If the rings around planets like Saturn and Uranus form due to the debris of colliding asteroids, etc., why doesn't space junk form rings around Earth?

asked Apr 11, 2022 in Astronomy by good_diyer

+11 votes

0 answers

What are the contributions on the Hubble constant from supernova Refsdal’s reappearance?

asked Apr 11, 2022 in Astronomy by widespreadwindbound

+216 votes

0 answers

Is Jupiter wrapping spacetime?

asked Apr 11, 2022 in Astronomy by AstralNova

+252 votes

0 answers

Could nuclear fusion destroy the Earth?

asked Apr 11, 2022 in Astronomy by saicou

+127 votes

0 answers

What is a color that can be easily seen at night?

asked Apr 11, 2022 in Astronomy by SolarisNova

+301 votes

0 answers

How do we know the mass of Neptune?

asked Apr 11, 2022 in Astronomy by LuminousSculptor

+61 votes

0 answers

Can you see any stars in the sky at night in San Francisco?

asked Apr 11, 2022 in Astronomy by Davie

+60 votes

0 answers

Could we terraform Mars by moving Europa and Titan to its orbit and then continuously transfer their matter on Mars?

asked Apr 11, 2022 in Astronomy by GG25

+206 votes

0 answers

Can dark matter be seen through a telescope? If yes, how does it look like in reality?

asked Apr 11, 2022 in Astronomy by TempestDreamer

+2 votes

0 answers

What is the edge/center of our current universe (the observable Universe)? Can we ever reach it? What's beyond it?

asked Apr 11, 2022 in Astronomy by WeFIX

+87 votes

0 answers

What are the implications of the possibility that we are located inside a black hole in another universe, looking at an external Andromeda Galaxy outside the event horizon?

asked Apr 11, 2022 in Astronomy by EmberPulse

+22 votes

0 answers

Why is light so incredibly slow? It takes about 100,000 years just to cross our galaxy. And there are billions of galaxies.

asked Apr 10, 2022 in Astronomy by Ray-Bean

+91 votes

0 answers

Why don't we put trees on other planets?

asked Apr 10, 2022 in Astronomy by MPT

+17 votes

0 answers

How are spaceships not constantly hitting asteroids since they’re flying at such astronomical speeds?

asked Apr 10, 2022 in Astronomy by Dbosoz

+94 votes

0 answers

What is the largest rocky planet you could get with Earth’s gravity?

asked Apr 10, 2022 in Astronomy by teengateway

+41 votes

0 answers

Why do laser beams vanish abruptly in the night sky?

asked Apr 10, 2022 in Astronomy by Jiml86

+74 votes

0 answers

What are the different types of supernovae, and what causes them to occur?

asked Apr 10, 2022 in Astronomy by LunarCharm

+16 votes

0 answers

Would a spacecraft in space be able to absorb heat from the sun?

asked Mar 20, 2022 in Astronomy by dcox (2.9k points)

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