The photons of light hitting you from the Sun right now were formed in the interior of the Sun about 100,000 years ago. They bounced around inside the Sun, losing energy the whole time, and finally escaped about 8 minutes ago, landing on your forehead via /r/spaceporn https://ift.tt/368oTjq
via Tumblr https://ift.tt/2LHj6d9
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