Planet X Video Trailer

Metacafe Affiliate U
Added by Metacafe Affiliate U Subscribe 927
Published 21 Mar 2009
1 002
••• More
Report video
0 0
You have already voted for this video.
Planet X would be the most significant addition to the solar system since the discovery of Pluto, the now n...
Planet X would be the most significant addition to the solar system since the discovery of Pluto, the now notorious non-planet, in 1930. When the International Astronomical Union voted to downgrade Pluto to dwarf planet status in 2006, they established three criteria for a fully blown planet in our solar system: it must orbit the sun; its gravity must suffice to mould it into a near-spherical shape; and it must be massive enough to have ploughed its orbit clear of other bits and bobs. Pluto ...
Categories: Entertainment
Show moreShow less
Report this video as: