This rules.
View of the solar system showing
the locations of all the asteroids starting in 1980, as asteroids
are discovered they are added to the map and highlighted white so
you can pick out the new ones. The final colour of an asteroids
indicates how closely it comes to the inner solar
system.
- Earth crossers are red
- Earth approachers (perihelion less than 1.3AU) are yellow
- All others are green
http://www.youtube.com/watch?v=S_d-gs0WoUw