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Aurora Borealis in Alaska, photograph by Shane Lamb.

Blue Flame, Colour photograph (Giclée) by Shane Lamb. Alaskan night sky is dark from August to April. The Aurora is a natural light display caused by charged particles from the sun interacting with the earth's atmosphere. When these particles collide with

The bioluminescent noctiluca scintillans—an algae known otherwise as sea sparkle—of australia’s jervis bay. Photo by naomi paquette.

the bioluminescent noctiluca scintillans — an algae known otherwise as sea sparkle — of australia’s jervis bay. photos by (click pic) andy hutchinson, joanne paquette and naomi paquette. see also: more bioluminescence posts)by joanne paquette