SCIENCE IN THE NEWS DAILY
India Asteroid Killed Dinosaurs, Made Largest Crater?
from National Geographic News
The dinosaurs' demise may have been due to an asteroid double-whammy--two giant space rocks that struck near Mexico and India a few hundred thousand years apart, scientists say.
For decades one of the more popular theories for what killed the dinosaurs has focused on a single asteroid impact 65 million years ago.
A six-mile-wide (ten-kilometer-wide) asteroid is thought to have carved out the Chicxulub crater off Mexico's Yucatán Peninsula, triggering worldwide climate changes that led to the mass extinction.
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