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Stonehenge, the infamous stone circle on Salisbury Plain, U.K., dates to around 2500 B.C.E. The monument is...
Astronomy.com
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We’re used to a lot of different natural things falling out of the sky. These can include...
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Sally Ride made history aboard the Space Shuttle Challenger on June 18, 1983, becoming the first American...
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John Vermette, taken from Starfront Observatory, Texas The famous galaxy group Markarian’s Chain in the heart of...
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Looking for a sky event this week? Check out our full Sky This Week column. June 17: The Moon...
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The wait is almost over. The Vera C. Rubin Observatory is just weeks, maybe even just days,...
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On June 17, in the year 2 B.C.E, a significant planetary conjunction occurred involving Venus and Jupiter....
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Looking for a sky event this week? Check out our full Sky This Week column. June 16: The Moon...
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Massimo Di Fusco, taken via Chilescope NGC 6727 is a reflection nebula and star-forming region in Corona...
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On June 16, 1963, 26-year-old Soviet cosmonaut Valentina Tereshkova made history by becoming the first woman to...
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Looking for a sky event this week? Check out our full Sky This Week column. June 15: Mercury at...
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Astronomers have created a comprehensive census of active galactic nuclei (AGN) — galaxies powered by a feeding...
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On June 15, 763 B.C.E., a near-total solar eclipse occurred over northern Assyria and was recorded by...
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Gaetan Thibault from Sainte-Catherine-de-la-Jacques-Cartier, Quebec, Canada A meteor slices across the Summer Triangle — glowing hot blue...
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Looking for a sky event this week? Check out our full Sky This Week column. June 14: Irene nears...
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On June 14, 1949, a rhesus monkey named Albert II was launched into space aboard a V-2...
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Looking for a sky event this week? Check out our full Sky This Week column. June 13: Catch Comet...
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Pioneer 10 holds the titles for many “firsts”: It was NASA’s first mission to the outer planets,...
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Looking for a sky event this week? Check out our full Sky This Week column. June 12: The Moon...
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📷 Mark Johnston from Scottsdale, Arizona A line of filaments march toward the limb of the Sun,...