A perfect view of the asteroid capsule's Earth return

A perfect view of the asteroid capsule's Earth return

Nothing can prevent it now. Japan's Hayabusa spacecraft is heading home after its seven-year round-trip to the asteroid Itokawa. I wrote earlier in the week about some of the woes Hayabusa experienced as it tried to grab dusty fragments from Itokawa's surface, and now it faces one last challenge.

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