Aug. 24., 2006 | 09:59 pm
No:: valium
The IAU proposal says that a planet is an object large enough to have become rounded due to the force of its own gravity.
But it's not that simple. What counts as a planet also depends on what it's orbiting around.
A planet has to orbit a star, so rounded objects floating freely through space won't make the cut.
But it's not that simple. What counts as a planet also depends on what it's orbiting around.
A planet has to orbit a star, so rounded objects floating freely through space won't make the cut.