Photo taken December 29, 2016 by Karl Diefenderfer in Quakertown, Pennsylvania.
How to see anticrepuscular rays
from EarthSky http://ift.tt/2iSC7Iu
Photo taken December 29, 2016 by Karl Diefenderfer in Quakertown, Pennsylvania.
How to see anticrepuscular rays
from EarthSky http://ift.tt/2iSC7Iu
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