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2 votes
0 answers
69 views

How does metallicity change the mass-radius and mass-luminosity relations in main-sequence stars?

10 votes
2 answers
2k views

Is Venus' north towards Earth's south

14 votes
4 answers
3k views

Can a small black hole orbit a large star?

3 votes
1 answer
110 views

How much mass did the Late Heavy Bombardment add to Mars?

4 votes
2 answers
139 views

Instead of a 4 meter diameter, 50 liter spinning pool of dangerous mercury, why didn't the ILMT just use an ionic liquid? Or gallium?

0 votes
1 answer
40 views

Instead of a five-element corrector for arced drift trajectories, why didn't the ILMT just use CCDs fabricated w/ slightly non-cartesian pixel layout?

-1 votes
0 answers
43 views

Flux from the Sun on the Earth using the Stefan-Boltzmann law

0 votes
0 answers
25 views

converting rms to limit flux

0 votes
0 answers
35 views

Red supergiants with luminosities significantly above the Humphreys-Davidson limit?

2 votes
3 answers
529 views

Integration of Plank curve of the Sun

3 votes
1 answer
178 views

What are optical artifacts in source images?

1 vote
0 answers
38 views
+50

Calculate change in spectral line intensity for a change in temperature

0 votes
0 answers
57 views

Noble gas analysis on meteorite

4 votes
4 answers
4k views

What is the ring of light around the moon and which star seen near it?

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