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Greenhorn
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  • Member for 3 years, 6 months
  • Last seen more than 3 years ago
7 votes
1 answer
216 views

Do stars twinkle when seen from Mars' surface?

6 votes
1 answer
806 views

If Jupiter and Saturn were considered stars, which of their moons would qualify as planets by 'clearing the neighbourhood'?

5 votes
1 answer
156 views

Why is the Kuiper belt called like this?

3 votes
1 answer
248 views

Is Jupiter really shepherding the main belt, and Neptune the Kuiper belt?

3 votes
1 answer
105 views

What happened to the 2017 proposal on redefining planethood? Is this information available?

3 votes
1 answer
162 views

What would the Earth's peri- and aphelion have to be in order to have the same seasons due to its orbit?

2 votes
0 answers
98 views

What is the mass for a celestial body to definitely achieve hydrostatic equilibrium?

2 votes
1 answer
126 views

Would an object placed at L1 be seen in front of the Sun from Earth?

2 votes
1 answer
194 views

Will 1036 Ganymed's orbit be changed by its close encounter with Mars in 2176?

2 votes
0 answers
65 views

Based on discoveries of new TNOs since 2016, is planet Nine still necessary to explain the TNO's orbits?

1 vote
2 answers
273 views

If we stood on the surface of a Jovian moon, Saturn would appear as a dot. Why doesn't Saturn appear like this in a telescope?