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Perpetual motion accepted in astronomy - why ?
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12-10-2019, 09:07 PM
Ukastronomer
(Jeremy)
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Join Date: Jan 2019
Location: Llandysul, WALES, UK
Posts: 1,381
I can never understand why perpetual motion is said not to exist
Surely as stated an object in motion will continue unless acted upon by an external force . etc
Then anything travelling in space no matter what speed will be in perpetual motion ???
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