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Lonely galaxy
NGC 6503 resides at the edge of a strangely empty patch of space called the Local Void.
June 14, 2015
Noctilucent clouds and an aurora
Auroras stem from activity on the sun and so are seen when the sun has been active. Noctilucent clouds are seasonal, seen in late May through August each year.
June 12, 2015
Great-horned owl eclipses the moon
A young owl on her first night out from the nest, and a moon just past full.
June 10, 2015
Reflections of volcanic sunset in Africa
Aerosols from Calbuco Volcano in Chile - which have colored sunsets in parts of the Southern Hemisphere since April - provide rare glimpses of unusual beauty.
June 9, 2015
Bubble nebula
Energetic radiation from a hot, young central star ionizes a shell of gas, causing it to glow and creating this bubble in space.
June 4, 2015
Photos from friends: June full moon
Full moon was Tuesday, June 2 at 12:19 p.m. EDT (16:19 UTC). From across Earth, the full moon is shining now from around sunset to dawn.
June 3, 2015
Bioluminescent surf in Tasmania
The beaches around Tasmania, an island off Australia's south coast, had a strong display of bioluminescence last month.
June 1, 2015
Comet Lovejoy near star Polaris
Comet Lovejoy on May 22, 2015. The comet is the brilliant green dot near the center of the photo. At the upper right of the photo is the star Polaris, aka the North Star.
May 30, 2015
