Planet Killers: A Spine-Tingling Look at Near-Earth Objects, Mass Extinctions, and the Controversial Science of Planetary Defense Tad Friend

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Planet Killers: A Spine-Tingling Look at Near-Earth Objects, Mass Extinctions, and the Controversial Science of Planetary Defense  by  Tad Friend

Planet Killers: A Spine-Tingling Look at Near-Earth Objects, Mass Extinctions, and the Controversial Science of Planetary Defense by Tad Friend
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It’s the stuff of summertime popcorn films: rogue asteroids threatening the obliteration of Earth, and plucky scientists and astronauts scrambling for ways to destroy or deflect them. Now here’s the kicker: it’s all real. Welcome to the fascinating,MoreIt’s the stuff of summertime popcorn films: rogue asteroids threatening the obliteration of Earth, and plucky scientists and astronauts scrambling for ways to destroy or deflect them.

Now here’s the kicker: it’s all real. Welcome to the fascinating, controversial, and sobering science of planetary defense, where NASA tracks thousands of the near-Earth objects hurtling toward us (any one of which could annihilate a city or continent), and a cadre of obsessed men and women rush to send gravity tractors and kinetic impactors into space in the hopes of saving humankind from mass extinction.



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