Actually. . .

by Maker of Toys

Gravity does affect photons.

See 'black hole' for the details. See also "gravitational lensing" which (IIRC) is what finally pushed general relativity into acceptance.

so, yes, photons climbing the gravity gradient off earth's surface will show a (VERY SLIGHT but measurable) redshift.

Posted on Nov 5, 2009, 10:25 PM

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  1. Thank you...I stand further informed.... , Nov 6, 2009

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