spin_dry Posted June 17, 2019 Share Posted June 17, 2019 Interesting stuff. It’s certainly undergoing change Quote Link to comment Share on other sites More sharing options...
irv Posted June 17, 2019 Share Posted June 17, 2019 "I think what we're witnessing here is an ever changing climate... with of course the understanding that this animation represents a minuscule blip on the planetary scale of time. It would also have been more interesting and more relevant if Antarctic ice coverage was presented over the same time period. Highly doubtful we'll get that from NASA though!" You do realize the earth was once covered in ice don't you, Spin? 715 million years ago the entire planet was encased in snow and ice. This frozen wasteland may have been the birthplace of complex animals http://www.bbc.com/earth/story/20150112-did-snowball-earth-make-animals Quote Link to comment Share on other sites More sharing options...
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