Limbs wrote:
i was gonna say no but then i read this and i'm not sure what i think now. it's just from wikipedia but
"There has been some resistance within the astronomical community toward the reclassification. Alan Stern, principal investigator with NASA's New Horizons mission to Pluto, derided the IAU resolution, stating that "the definition stinks, for technical reasons". Stern contended that, by the terms of the new definition, Earth, Mars, Jupiter, and Neptune, all of which share their orbits with asteroids, would be excluded. He argued that all big spherical moons, including the Moon, should likewise be considered planets. "
that being because the IAU made the official definition for a planet that
1. it must be in orbit around the sun
2. it must be massive enough to be rounded by its own gravity
3. it must have cleared the neighbourhood around its orbit (no other bodies of comparable size in its orbital zone)