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chaonomy
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14 votes
1 answer
512 views

Is it possible for a moon to orbit a planet floating free in the galaxy rather than orbiting a star

12 votes
1 answer
109 views

Long term development of Comets

11 votes
1 answer
691 views

Why does Pluto's Orbit underlap Neptune's Orbit

7 votes
2 answers
176 views

What does the term alien planet actually refer to?

6 votes
3 answers
1k views

If the hammer and feather move at the same speed why do comet and the tail particles move at different speeds?

5 votes
1 answer
163 views

Can orbital migration cause a planet to crash into the sun?

5 votes
4 answers
775 views

Do solar systems have to evolve in a galaxy?

5 votes
1 answer
92 views

Was comet ISON in a Kepler orbit prior to disintegrating?

5 votes
2 answers
195 views

Is the discovery of Alien or Extra Terrestrial Life a function of the science of Astronomy?

5 votes
1 answer
516 views

Do all moons orbit their planets on the ecliptic?

4 votes
2 answers
6k views

What is the difference between solar wind and solar radiation?

3 votes
2 answers
127 views

How do kepler orbits account for planetary migration?

0 votes
3 answers
178 views

Why does Astronomy still use the Anno Domini system for Time Synchronization

-1 votes
2 answers
129 views

If NASA is going to capture an asteroid with a spacecraft, wouldn't a UFO be able to manuever a celestial body? [closed]

-2 votes
1 answer
2k views

Is it possible the Nebular Hypothesis and Planetesimal Theory are not correct? [closed]