You probably picture the Earth's annual journey around the Sun as being more or less a circle, but that's only true some of the time. Models have long suggested that our home planet's orbit shifts from circular to elliptical and back again over hundreds of thousands of years, which plays a part in natural climate swings. Now, scientists have found the first physical evidence for the cycle, and traced it back to before the dinosaurs.
.. Continue Reading Rock-solid evidence shows how Earth's eccentric orbit affects climate changeCategory: Environment
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from New Atlas https://ift.tt/2K6NhqS
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