Terraforming (Part 1): The Earth

Saturday, June 5, 2010 - 20:50 in Astronomy & Space

Eventually, the Earth will no longer be fit for human existence. In approximately 5 to 6 billion years the sun will exhaust its hydrogen supply. In the next 10 million years a comet will likely strike Earth, or the planet will be doused in supernova radiation. Within the next 100 thousand to 1 million years an asteroid similar to the one that created the Chicxulub crater and caused a mass extinction event will likely collide with Earth. Before these extraterrestrial events occur, though, more planetary threats endanger human survival. From New Orleans to Iceland, Haiti to Indonesia, life on planet Earth suffers from the constant onslaught of extreme weather like hurricanes, tsunamis, and blizzards and geologic events like volcanic activity and Earthquakes. read more

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