Recent questions in Astronomy

+22 votes

0 answers

Could a large presence of humans on the moon and the Coriolis effect cause a dust cloud to form around the moon's equator? I know asteroids do not cause dust clouds on the moon, but could a significant human/machine presence create such a phenomenon?

asked Apr 12, 2023 in Astronomy by Danny Greenwood

+27 votes

0 answers

How can there be no light in outer space but still some form of existence out there, like planets and stars?

asked Apr 12, 2023 in Astronomy by NovaCharm

+13 votes

0 answers

What are the known galaxies outside of our own? What does each look like? What types are there and how many exist? How far away can we see them?

asked Apr 12, 2023 in Astronomy by Stuart281075

+27 votes

0 answers

What is the Andromeda Galaxy? Is it moving towards the Milky Way? Will it collide with the Milky Way? Why is the distance between them reducing at such a fast rate?

asked Apr 12, 2023 in Astronomy by LincsLad

+286 votes

0 answers

How does the discovery of first-generation stars fit into our current understanding of the history and evolution of the universe?

asked Apr 12, 2023 in Astronomy by diymechanicalguy

+22 votes

0 answers

Why is the Earth’s second Sun not discussed?

asked Apr 12, 2023 in Astronomy by EmberSculptor (2.0k points)

+11 votes

0 answers

Is it possible to get close to Mercury without being burned by its surface temperature?

asked Apr 12, 2023 in Astronomy by Robering

+26 votes

0 answers

Have we sent a probe outside of the Milky Way?

asked Apr 12, 2023 in Astronomy by tomplum

+8 votes

0 answers

Can any star other than Polaris be used for navigation in the Northern Hemisphere?

asked Apr 12, 2023 in Astronomy by DKM

+9 votes

0 answers

Why is the distance between stars (and planets) constant and the distance between galaxies not (in an expanding universe)?

asked Apr 12, 2023 in Astronomy by dt99jay

+44 votes

0 answers

Are there any perplexing cosmic phenomena or celestial events that scientists are still striving to understand?

asked Apr 12, 2023 in Astronomy by Martint86

+110 votes

0 answers

How do we know how fast Earth is orbiting the Sun? As the Sun's surface is always changing, what's the point of reference?

asked Apr 12, 2023 in Astronomy by CandC

+250 votes

0 answers

Can we see other galaxies from Earth or a space telescope?

asked Apr 11, 2023 in Astronomy by eskimo

+26 votes

0 answers

How likely is it that the concept of the ‘Goldilocks Zone’ will yield a habitable planet with a breathable atmosphere?

asked Apr 11, 2023 in Astronomy by ukmgranger

+76 votes

0 answers

Recent science updates state that the core of the Earth will change direction of rotation. Will it spin CCW?

asked Apr 11, 2023 in Astronomy by WillyEckerslike

+20 votes

0 answers

Does the sun always rise exactly in the east and set in the west, or does it vary?

asked Apr 11, 2023 in Astronomy by camels toe

+15 votes

0 answers

If something happened to Earth and its sun, which star or planet could humans live on?

asked Apr 11, 2023 in Astronomy by ozskins

+16 votes

0 answers

Can you create a scenario for complex life developing on a rogue planet?

asked Apr 11, 2023 in Astronomy by Gordon S

+24 votes

0 answers

Why are celestial bodies spherical, but asteroids and comets are not?

asked Apr 11, 2023 in Astronomy by capitalpoof

+299 votes

0 answers

As I viewed the eclipse (99.6% totality where I was) I noticed a planet to the right and below the eclipse but some distance away. What was the planet?

asked Apr 11, 2023 in Astronomy by Mark DM

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