A long time ago, the Earth was... purple?? Join us... and find out more!

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Did you know that the world HASNT always been green? Thats the incredible idea behind one amazing theory, at least... the Purple Earth Hypothesis! In this video, Unveiled takes a closer look at this spectacular possibility, as we begin to see the ancient world in an all new way!

This is Unveiled, giving you incredible answers to extraordinary questions!

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0:00 Start
0:37 The Pale Blue Dot
220 Purple Earth Hypothesis
4:02 Great Oxygenation Event
5:37 Purple Aliens
6:52 Conclusions

#Science #Earth #PurpleEarth