Solar Halo, Mackenzie Country, New Zealand
(via Nature - Week 1 Gallery - National Geographic Photo Contest 2011 - National Geographic)
Perseid meteor shower as seen from Arches National Park in Utah
(via 500px / Photo “double arch perseid meteor” by thomas o’brien / tmophoto)
A partial solar eclipse at midnight, Tana, Finnmark, Norway
(via Outdoor Scenes - Week 8 Gallery - Traveler Photo Contest 2011 - National Geographic)