You will do well in China if you pretend to be an expert you are not.

送交者: wc 于 2007-11-12, 19:17:41:

回答: It depends on your definition of prediction. 由 steven 于 2007-11-12, 18:19:51:

Who told you we need to track asteroids within 1 km?

Why Eros is related to this?

You have no idea on how much is the influence of solar wind.

Why not just mention uncertainty principle in Quantum mechanic, that will give you better argument.