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4 votes
1 answer
99 views

Formation of a non-Sol Oort cloud with high mass planets

1 vote
0 answers
37 views

Timelapse Video Of Motion of Mars?

3 votes
0 answers
153 views

How can Jupiter rotate faster at the equator than at the poles (in degrees per second)?

2 votes
0 answers
72 views

How can I calculate current position of planet in sky

5 votes
0 answers
85 views

Is there a noob-friendly website/app for tracking a astronomical body's apparent movement over time?

16 votes
10 answers
3k views

Is Pluto still a dwarf planet?

5 votes
1 answer
609 views

Difference in results between JPL Horizons and cspice (rust-spice)

1 vote
0 answers
116 views

The rocky planet sizes between the Sun and Jupiter are small, big, bigger, small, and unfinished. Is there a reason?

1 vote
1 answer
525 views

Can you identify this planet seen in the night sky?

1 vote
1 answer
76 views

calculating apogee and perigee for moon and sun

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33 views

On the relationship between semi-major axis and the Longitude of the Ascending Node

1 vote
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80 views

What would happen if a low-mass primordial black hole was captured by a brown dwarf or planet mass object?

1 vote
1 answer
89 views

Planetary Conjunctions

15 votes
2 answers
3k views

Why is it impossible to infer the surface temperature of Venus by spectroscopy observation from earth?

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