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0 votes
0 answers
5 views

Source flux in Jy + noise computation, radio astronomy

1 vote
1 answer
31 views

Calculating net gravitational force on Uranus

3 votes
0 answers
35 views

How can I use the "stiff"(the library from this site; astromatic.net). I can not escape from the error[*Error*: no 2D FITS data in <MY FITS FILE>]

8 votes
1 answer
157 views

Does the orbital decay of Triton affect Neptune's rotation?

25 votes
1 answer
4k views

Why do Jupiter’s moons have so much water?

7 votes
1 answer
248 views

What are the bright dots in some galaxies in the first JWST image?

1 vote
1 answer
43 views

What is mass-weighted age?

7 votes
1 answer
51 views

Do pop III stars undergo supernova or direct collapse?

6 votes
2 answers
171 views
+200

How do magnetic fields mess with astronomers' observations?

6 votes
1 answer
5k views

I saw a short-lived brightening and fading of a light in the a sky. Was that a star imploding, exploding or going super-nova?

8 votes
3 answers
599 views

Do NEA (Near Earth Asteroids) have minable water ice?

3 votes
2 answers
243 views

Do/did the asteroids contain enough water to create Earth's oceans?

2 votes
2 answers
219 views

Water Ice on Meteorites

3 votes
1 answer
21 views

How does instrumental dispersion work?

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