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A supplement to Astronomy magazine presented by Celestron Contents Telescopes 101 What kind of telescope is right...
Astronomy.com
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On July 2, 1967, the U.S.’s Vela 3 and 4 satellites, originally launched to monitor compliance with...
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Looking for a sky event this week? Check out our full Sky This Week column. July 1: Venus in...
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Ron Brecher from Guelph, Ontario, Canada Sharpless 2–112 is a glowing cloud of ionized hydrogen roughly 30...
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On July 1, 2004, the Cassini-Huygens mission, a collaborative undertaking by NASA, the European Space Agency (ESA),...
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Looking for a sky event this week? Check out our full Sky This Week column. June 30: Find distant...
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The NSF–DOE Vera C. Rubin Observatory has officially launched the Legacy Survey of Space and Time (LSST),...
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An enormous explosion occurred approximately 3 to 6 miles (3.8 to 9.7 kilometers) above the Tunguska River...
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Looking for a sky event this week? Check out our full Sky This Week column. June 29: June’s Strawberry...
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Rocket launches this week On Tuesday, June 30, Northrop Grumman’s Pegasus XL will air-launch at 6:23 a.m....
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Born June 29, 1868, in Chicago, George Ellery Hale revolutionized American astronomy by, among other things, championing...
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Chirag Upreti from New York City Active region AR 4475, a cluster of sunspots that emerged June...
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Looking for a sky event this week? Check out our full Sky This Week column. June 28: Mercury stands...
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On June 28, 2011, Pluto’s moon Kerberos was discovered by a team using the Hubble Space Telescope,...
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Looking for a sky event this week? Check out our full Sky This Week column. June 27: Mars meets...
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Piotr Czerski, taken from Trzonów, Poland Galaxies M81 and M82 lie amid large clouds of galactic cirrus...
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Space Shuttle Atlantis, a reusable winged spacecraft and the fourth space-qualified orbiter to join the U.S. space...
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Looking for a sky event this week? Check out our full Sky This Week column. June 26: Mercury closes...
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In November 2025, Airbus grounded approximately 6,000 of its A320 family of aircraft after an international flight...
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On June 5, 2026, NASA ordered five astronauts aboard the International Space Station (ISS) to shelter in...