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'Snowball Earths' Were Likely Triggered By a Dramatic Drop in Sunlight
Video Credit: AmazeLab
Published on July 29, 2020 - Duration: 01:16s
'Snowball Earths' Were Likely Triggered By a Dramatic Drop in Sunlight
MIT researchers say Earth was likely tipped into ice ages around 700 million years ago because of a sudden and dramatic change in the sun's radiation reaching Earth.