If Earth spun sideways, extreme winters and summers would doom life as we know it

Posted On: Jul 16, 2019   |   Posted By: Business Insider

Earth spins on a 23.5-degree tilt, which is responsible for the seasons as we know them.
But if Earth's axis tilted to 90 degrees, extreme seasons would cause intense climate change on every continent.
During the summer, the Northern Hemisphere would experience nearly 24 hours of sunlight for months, which could melt ice caps , raise sea levels , and flood coastal cities .
In the winter, it would get nearly 24 hours of complete darkness, killing plants, ecosystems, and crops.
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Following is a transcript of the video.
Early in the history of our solar system, something mysteriously knocked Earth slightly off its axis. So today we tilt at 23.5 degrees. But what would happen if we tilted even more? What if Earth spun sideways on its axis? Well, it wouldn't take long before utter chaos ensued.
One of the most important consequences of Earth's axial tilt is the seasons. Seasons happen because the tilt points different parts of the planet toward the sun at...

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