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Physicist: ‘Blind luck’ is all that prevents ‘city-killer’ asteroids from striking Earth

According to physicist and former NASA astronaut Ed Lu, the Earth has been hit by “26 multi-kiloton explosions since 2001, all of which are due to asteroid impacts.” This evidence — gathered by the asteroid-hunting B612 Foundation — demonstrates that “asteroid impacts are not rare, but actually 3-10 times more…

As estimates of meteor strikes rise, how can Earth avoid destruction?

It’s not just in sci-fi movies. Asteroids really are moving closer to Earth more frequently and chunks of them are hitting too. The one that caught everyone’s attention struck last February, when a meteor hit near the Russian city of…  …

How do you stop an asteroid from hitting Earth?

MOST asteroids in the solar system come nowhere near the Earth, and of those that do, most are so small that they burn up harmlessly in the atmosphere. But, as a report written by America’s National Academy of Sciences points out, a big one is almost…  …

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