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The light hitting your eyes from the sun right now left its surface 8 minutes ago — but the energy behind it may have spent roughly 100,000 years fighting its way out from the core

The light hitting your eyes from the sun right now left its surface 8 minutes ago — but the energy behind it may have spent roughly 100,000 years fighting its way out from the core

The eight minutes from sun to eye is the headline figure, but the photon that landed on your retina spent most of its existence trapped in a dense interior where it could only travel a fraction of a centimeter before colliding with the next nucleus. The post The light hitting your eyes from the sun right now left its surface 8 minutes ago — but the energy behind it may have spent roughly 100,000 years fighting its way out from the core appeared first on Space Daily .