Ten-trillionths of your suntan comes from intergalactic photons

from www.theregister.com - Articles on 2016-08-12 09:03 (#1Q8VW)

But fear not - our galaxy has in-built SPF protection

Astronomers led by the International Centre for Radio Astronomy Research (ICRAR) in Australia have calculated that ten trillionths of your suntan comes from beyond our local galaxy."

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