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Reload this Page Ancient Shell Has Revealed Exactly How Much Shorter Days Were 70 Million Years Ago (Earth)
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Old 03-10-2020, 02:40 PM
 
Location: Macon, Georgia
909 posts, read 545,034 times
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Is this a program to study of worlds terraform?

https://www.sciencealert.com/old-she...lion-years-ago
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Old 03-14-2020, 09:31 AM
 
Location: King County, WA
15,823 posts, read 6,534,658 times
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It's pretty impressive that they are able to determine the length of the day that long ago. Science rocks.
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