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Neil DeGrasse Tyson: Death by Black Hole and Life on Earth

Astrophysicist Neil deGrasse Tyson argues Earth is not as an ideal environment for the existence of life as most people commonly think. “99 percent of all species that ever lived are now extinct,” says Tyson. “That is not the signature of a planet that is in love with life.”

Neil DeGrasse Tyson: Death by Black Hole from City Arts & Lectures on FORA.tv

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