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 Curious
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  • 0 posts edited
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  • 14 votes cast
Aug
3
accepted Are there any Stars we know don't have planets?
Jul
25
awarded  Curious
Jul
24
comment Are there any Stars we know don't have planets?
@TildalWave Eddy has a pretty good answer below (+1), He (and Deer Hunter) suggest that multiple star systems are not capable of holding a planet in a stable orbit. So if you can define the criteria that = no planet with a couple of examples and reasons. that would be good.
Jul
24
asked Are there any Stars we know don't have planets?
Jun
24
comment How long will it take Pluto to grow to planet size?
So because the orbits of Pluto and Neptune overlap Pluto can't ever be a planet no matter how big it gets? If that is case how is Neptune a planet? Or is that a different question?
Jun
24
comment How long will it take Pluto to grow to planet size?
@called2voyage are you saying it is not possible to define what amount of mass in the Kuiper belt would be required to form a single body that meets the re requirements of the IAU definition of planet?
Jun
24
comment How long will it take Pluto to grow to planet size?
@DavidHammen I think my recent edit to the question combines comments/concerns from yourself and called2voyage
Jun
24
revised How long will it take Pluto to grow to planet size?
added 201 characters in body
Jun
24
comment How long will it take Pluto to grow to planet size?
This question comes from a series of comments on space.SE What is the relationship between New Horizons launch and Pluto's loss of Planet status?
Jun
24
asked How long will it take Pluto to grow to planet size?
Dec
4
awarded  Yearling
Jul
30
comment Where does the Milky Way end?
Related question: Why is it so hard to figure out if Voyager 1 has left the solar system?
Jul
23
comment Does the universe have an edge?
Related What is the name of that which exists beyond the Universe?
Jul
18
asked What is the time/size/rigidity ratio for a space object to become mostly round?
Jul
18
accepted Can two comets travel together as one?
Jul
16
awarded  Editor
Jul
16
revised Can two comets travel together as one?
added 1 character in body
Jul
16
asked Can two comets travel together as one?
Apr
14
accepted What is the name of that which exists beyond the Universe?
Apr
11
comment What is the name of that which exists beyond the Universe?
@Py-ser from developing answers it would seem your commment should be "beyond" the universe, that would be (part of the) Universe, where the first universe is lower case, while the second is upper case Universe. It seems that our galixy is in a universe, which is in a Universe, which may or may not contain other universes.