What do you think a little asteroid dust could tell us about the universe?

Hayabusa has returned from its mission to asteroid 25143 Itokawa

The return capsule of Japan Aerospace Exploration Agency's asteroid-hunting Hayabusa spacecraft splashed down safely near Australia on June 13. This marks the return of a space traveller that was launched in 2003 in order to journey to the small near-Earth asteroid 25143 Itokawa to bring back a sample of the asteroid's surface. Hayabusa has been d...