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Eta Aquarid meteors from Atacama desert
The 2015 Eta Aquarid meteor shower was drowned in bright moonlight. Still, Yuri Beletsky in Chile captured enough meteors to create this beautiful composite.
May 11, 2015
Large sunspot group AR 2339
After a period of few to no spots, a large sunspot group emerged on May 5. It has already produced an X-flare!
May 10, 2015
Mammatus clouds at sunset, over Idaho
Mammatus clouds can appear ominous. But, in a way that’s so common in nature, their dangerous aspect goes hand in hand with a magnificent beauty.
May 8, 2015
Sun and moon halo
Composite image of a halo around the sun and, within 10 hours, a nearly full moon.
May 7, 2015
Nugget Point in New Zealand
"Sometimes you know you are in the right place at the right time. That you are doing what you are meant to be doing. That it all comes together and your heart sings."
May 6, 2015
What bird song looks like at dawn
A meadowlark sings as dawn breaks at the Ninepipes National Wildlife Refuge in northwestern Montana.
May 5, 2015
Aerosols from Chile’s Calbuco volcano reach Africa
The aerosols from the eruption of Calbuco volcano in Chile caused vivid sunsets in South America last week. Now they've crossed the South Atlantic, to Africa.
May 3, 2015
Crescent comet
The co-orbit around the sun of the Rosetta spacecraft and Comet 67P/Churyumov–Gerasimenko lets the spacecraft see the comet, at times, in a crescent phase.
May 3, 2015
MESSENGER’s final image from Mercury
A last image from the MESSENGER spacecraft before crashing onto Mercury's surface on Thursday. So long, MESSENGER, and thank you.
April 30, 2015
Mercury and the Pleiades
The elusive planet Mercury and the lovely Seven Sisters are low in the west after sunset now. Watch for them.
April 30, 2015
