Recent questions in Astronomy

+26 votes

0 answers

How is the experience of a space travel?

asked Feb 11, 2023 in Astronomy by Shiny head

+292 votes

0 answers

Is it possible for a planet to be as big as a star? If so, what would it look like?

asked Feb 11, 2023 in Astronomy by SeraphicWhisper

+27 votes

0 answers

Why were the ancient Egyptians so fascinated with stars and constellations? What is known about their astronomy/astrology history?

asked Feb 11, 2023 in Astronomy by Sandra1/

+86 votes

0 answers

Why is the Milky Way visible at night, while other galaxies are not?

asked Feb 11, 2023 in Astronomy by mightyapu

+6 votes

0 answers

What is the estimated time frame for when the star named "Sirius" will go super nova?

asked Feb 11, 2023 in Astronomy by EmberSculptor

+18 votes

0 answers

What is the definition of a total solar eclipse? Can a shadow of the Moon fall on Earth during a total solar eclipse without any part of the Moon touching Earth's surface at all? If so, how much must be covered for it to be considered "totality"?

asked Feb 11, 2023 in Astronomy by SolarisAlchemy

+57 votes

0 answers

If you shot a gun at Earth from the Moon, would it hit the Earth?

asked Feb 11, 2023 in Astronomy by andyasw

+19 votes

0 answers

The universe is expanding, and galaxies are moving apart, but not expanding themselves. Does that mean that expansion exactly equals gravitation? How could that be true for every Galaxy, when their size, shape, mass, and rotation speed all differ?

asked Feb 10, 2023 in Astronomy by SeraphicFlare

+6 votes

0 answers

If we know when it started and the rate it is expanding, why can we not calculate how big the universe is?

asked Feb 10, 2023 in Astronomy by buffoon1

+149 votes

0 answers

If Earth was replaced with another planet, which planet would be closer to the sun? Why would this be the case?

asked Feb 10, 2023 in Astronomy by SolarisNova

+11 votes

0 answers

Is the sun coming closer to the Earth?

asked Feb 10, 2023 in Astronomy by Tom40

+11 votes

0 answers

Will black holes be used one day to travel to different universes?

asked Feb 10, 2023 in Astronomy by MysticVerse

+21 votes

0 answers

What is the definition of a man-made moon? Are there any examples of man-made moons in our solar system?

asked Feb 10, 2023 in Astronomy by tryin it all myself

+17 votes

0 answers

Will the Sun disappear?

asked Feb 10, 2023 in Astronomy by chodaboy1979

+303 votes

0 answers

How does one light year =9.46*10*15?

asked Feb 10, 2023 in Astronomy by CAPTAIN CRASH (2.1k points)

+21 votes

0 answers

Are we alone in the universe? If not, will we be able to see other sentient beings' lives somewhere out there even though they might be light years away from us right now?

asked Feb 10, 2023 in Astronomy by sac

+106 votes

0 answers

How does the Sun rotate around the center of the Milky Way?

asked Feb 10, 2023 in Astronomy by WillyEckerslike

+15 votes

0 answers

Is the surface of Ceres likely salted with minerals from low velocity asteroid collisions? Would mining water rich Ceres for metals be feasible even though it is not technically a metallic asteroid?

asked Feb 10, 2023 in Astronomy by EmmaG

+209 votes

0 answers

Do large planets have small moons?

asked Feb 10, 2023 in Astronomy by LunarTwilight

+4 votes

0 answers

How long will the Sun last before it turns into a black hole? How big will it become?

asked Feb 10, 2023 in Astronomy by Mark N

Page:

« prev
1
...
38
39
40
41
42
43
44
...
104
next »

Recent questions in Astronomy

...