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Great Cluster in Hercules, aka M13
On a dark, clear night, the eye barely perceives the Hercules cluster as a faint, fuzzy point of light. A telescope shows it an ancient, symmetrical star city.
April 27, 2014
Moon and Venus on mornings of April 25 and 26
The moon and Venus are the second- and third-brightest objects in Earth's sky, after the sun. You'll see them together now in the east before dawn.
April 25, 2014
Halo around the sun over Normandy, France
We get many messages throughout each year from people who’ve just spotted a halo, or ring, around the sun or moon.
April 24, 2014
An ancient sea god under the Milky Way
A mythical Celtic god of the sea and the edgewise view into our own Milky Way galaxy, as captured by Glenn Miles Photography in Northern Ireland.
April 23, 2014
Photos from friends: 2014 Lyrid meteor shower
A collection of photos from the 2014 Lyrid meteor shower, which peaked on the morning of April 22.
April 22, 2014
Tiger beetle dance
A visual representation of a tiger beetle’s trajectories as it chases prey.
April 18, 2014
Total lunar eclipse over Soda Butte Cone
"Blood Moon" over Yellowstone by Zack Clothier Photography
April 17, 2014
Times in EDT for Tuesday morning’s total eclipse of moon
Save this chart! It's the times in Eastern Daylight Time for Tuesday morning's total eclipse of the moon.
April 13, 2014
