65-million-year-old asteroid impact triggered a global hail of carbon beads

Monday, May 5, 2008 - 13:07 in Earth & Climate

The asteroid presumed to have wiped out the dinosaurs struck the Earth with such force that carbon deep in the Earth's crust liquefied, rocketed skyward, and formed tiny airborne beads that blanketed the planet, say scientists from the U.S., U.K., Italy, and New Zealand in this month's Geology.

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