Believe it or not, this picture is real: those beautiful arcs of light are a result of ice crystals in the sky diffracting photons as they stream toward Earth. [Bad Astronomy, Image by David Hathaway]
Believe it or not, this picture is real: those beautiful arcs of light are a result of ice crystals in the sky diffracting photons as they stream toward Earth. [Bad Astronomy, Image by David Hathaway]
