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Astronomy
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ksousa
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11 Questions

Score Activity Newest Views
19 votes
2 answers
4k views

Can lightning occur in stars like the Sun?

17 votes
1 answer
887 views

Can the paper narrowing Solar System's barycentre to within 100m help find Planet Nine?

14 votes
1 answer
2k views

Could it be possible to detect planets from stars that went supernova through the resulting nebula shape?

11 votes
1 answer
460 views

If Planet Nine indeed exists, how large a impact event there should be to be seen from Earth?

10 votes
1 answer
2k views

How many iridium layers do we know, besides the K-Pg one (the dinosaur killer "smoking gun")?

9 votes
1 answer
2k views

Had Earth lost the Moon early, would we be able to determine it once had a companion?

4 votes
1 answer
292 views

What is the maximum size for a solid celestial body such that it still can be tunneled down to the core?

4 votes
2 answers
312 views

What is the mean separation between a star and its closest neighbor in the Milky Way halo?

3 votes
1 answer
148 views

Can a supernova or a close passing star create a transient sun gravity focus "habitable zone"?

3 votes
2 answers
204 views

Can a single impact event trigger a runaway greenhouse?

3 votes
1 answer
119 views

How far can we detect lightning in radioastronomy?