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December 21, 2016

What defines a planet?
January 1, 2017
1. The object must orbit the sun (so the moon is already disqualified here)
2. The object must occupy it's own orbit, by ITSELF (this is why pluto isn't a planet)
3. Can't be a lumpy mess (In other words, must be somewhat spherical)


December 21, 2016
.39 AU away from the sun

December 21, 2016
.72 AU away from the sun

December 21, 2016
1 AU away from the sun

December 21, 2016
1.5 AU away from the sun


December 21, 2016
5.2 AU away from the sun


January 1, 2017
9.5 AU away from the sun


January 1, 2017
19 AU away from the sun


January 1, 2017
30 AU away from the sun