sábado, 22 de marzo de 2014

We’ve Got 1.5 Billion Years Left With a Habitable Earth

We’ve Got 1.5 Billion Years Left With a Habitable Earth
And then we need to get off this rock
One day the world will end, and unless we’ve managed to Noah’s Ark ourselves into the deep recesses of space, we’ll end along with it. The sun is getting brighter—roughly 1 percent every 110 million years—and eventually this ticking increase is going to cook us out of a home.
When it really comes down to it, the sun has control over our planetary thermostat. As the temperature rises, more water is evaporated into the atmosphere. Water vapor is a strong greenhouse gas, and soon enough we’ve got a runaway greenhouse effect. Then, bam, 650 million years later the Earth has turned into Venus.
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 And then we need to get off this rock
One day the world will end, and unless we’ve managed to Noah’s Ark ourselves into the deep recesses of space, we’ll end along with it. The sun is getting brighter—roughly 1 percent every 110 million years—and eventually this ticking increase is going to cook us out of a home.
When it really comes down to it, the sun has control over our planetary thermostat. As the temperature rises, more water is evaporated into the atmosphere. Water vapor is a strong greenhouse gas, and soon enough we’ve got a runaway greenhouse effect. Then, bam, 650 million years later the Earth has turned into Venus.
Continue Reading" src="http://25.media.tumblr.com/13a3dec5e41cc4f7ea07b442ba3e92fa/tumblr_mzpp1bqdPn1qibnz5o1_500.jpg" />

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