Waxing: The moon anytime before a full moon and after a new moon.Waning: the moon at any time after full moon and before new moon.Gibbous: convex at both edges, as the moon when more than half full.Crescent: a shape resembling a segment of a ring.
This is an awesome picture. Supercell Thunderstorm by Sean Heavey, nationalgeographic: A supercell thunderstorm rolls across the Montana prairie at sunset. This was a winning shot in the 2010 National Geographic Nature Gallery Photo Contest.
Photographer captures rare 'fire rainbow cloud' above Florida. Another spectacular light show. Ken Rotberg spotted unusual phenomenon as sun dropped behind a storm cloud in the early evening Rare sight also known as a 'circumhorizon arc'
The stunning image is of a rainbow cloud, captured above Mt Everest by Oleg Bartunov whilst on an expedition in the Himalayas, Nepal. The amazing rainbow effect is created when tiny ice crystals in the water vapour of the clouds reflect the sunlight.