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Stephen Hawking

Stephen Hawking

Stephen Hawking https://asteroidday.org/wp-content/themes/fildisi/images/empty/thumbnail.jpg 150 150 Asteroid Day Asteroid Day https://asteroidday.org/wp-content/themes/fildisi/images/empty/thumbnail.jpg

“Sooner or later disasters such as an asteroid collision or a nuclear war could wipe us all out, but once we spread out into space and establish independent colonies, our future should be safe”

Stephen Hawking