[ExI] physics question

[spike at rainier66.com]

From: extropy-chat <extropy-chat-bounces at lists.extropy.org> On Behalf Of William Flynn Wallace
Sent: Monday, August 20, 2018 10:47 AM
To: ExI chat list <extropy-chat at lists.extropy.org>
Subject: [ExI] physics question

 

There were 400 days in an earth year 620 million years ago.

 

HUh??

 

bill w

 

 

Ja.  The moon drags on the earth thru tides.  This gradually moves the moon to a higher orbit and slows the earth’s rotation (angular momentum is conserved.)  Eventually the earth and moon will be tide locked, so we might need to go to the other side of the planet to see it.

 

spike

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