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Posts tagged nuclear attack

January 9, 2015


a near-Earth asteroid, called Bennu

What’s That in the Sky?

Falling sky debris doesn't pose any real threat. But in the nuclear age, asteroids could trigger war sirens.

September 27, 2003


What’s That in the Sky?

In his book Cosmos, the late scientist Carl Sagan talks about the way in which the earth is regularly struck by material from outer space. These collisions with space debris can be minor–as in a shooting star on a summer night–or amazingly destructive, as in the collision that probably killed off the dinosaurs. Thankfully, the […]

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