Sundogs - light from the sun refracts off ice crystals to portray a half-circle around the sun. Due to the specific angles required for this phenomenon, Sundogs usually occur at sunrise and sunset when ice crystals are present in the air.
Atlas V Arc of Light: Rocket launched with twin Radiation Belt Storm Probes sent to explore the Van Allen Belts that surround Earth. Astrophotographer Mike Killian took this photo from Cape Canaveral Air Force Station in Florida Aug.
The Old Fire crossed Highway 18 near Lake Arrowhead, California on 28 October 2003 before racing into the community of Cedar Glen as a crown fire and destroying most of the homes there. photo source: Firestorm from NationalGeographic