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A comment on Transfer of atomic mass with a photon solves the momentum paradox of light. Parent comment

Re:Transfer of atomic mass with a photon solves the momentum... by zamalek on Sunday July 02, 2017 @11:08AM (#14682818)
> it is void

Space is not a complete vacuum.

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Re:Transfer of atomic mass with a photon solves the momentum... by henearkr on Sunday July 02, 2017 @03:06PM (#14683854)
Well, actually it seems you are true. There are absorption rays for the inter-galactic medium, as shown in: https://ned.ipac.caltech.edu/level5/Madau6/Madau2.html So, please ignore my previous reply ↓
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Re:Transfer of atomic mass with a photon solves the momentum... by henearkr on Sunday July 02, 2017 @11:10AM (#14682828)
Yeah, but sufficiently so that most photons are not encountering any other things on their way.
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Re:Transfer of atomic mass with a photon solves the momentum... by Nomentatus on Sunday July 02, 2017 @03:15PM (#14683891)
Not clear - have you taken virtual particles into account?
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