That is still 372,000 interactions along the way.
That's less interactions then the photon would go though in a μm of STP hydrogen at .999868c. So 1.510
11 meters at c, plus 1 μm at .999868c comes out to .99999999999999999999999c. All in favor of rounding up raise your hand.
☝
Edited by lyx2no, : No reason given.
Edited by lyx2no, : Typo.
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Anon