Dinosaur-Killing Asteroid Cast a 2-Year Shroud of Darkness Over Earth

Published: 24/08/2017
Dinosaur-Killing Asteroid Cast a 2-Year Shroud of Darkness Over Earth
Source: WWW.SPACE.COM

The dinosaur-killing asteroid that collided with Earth about 65.5 million years ago plunged the planet into a darkness that lasted nearly two years, a new study finds.

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