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Summer Triangle: Star pattern of the season
Deborah Byrd
June 5, 2026
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Visible planets and night sky guide for June
Marcy Curran
June 5, 2026
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Venus-Jupiter conjunction: Sky’s 2 brightest planets to meet
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June 5, 2026
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Why love really is a drug
Editors of EarthSky
February 14, 2023
min read
Sputnik launched 65 years ago
Eleanor Imster
Deborah Byrd
October 4, 2022
min read
Maarten Schmidt, father of quasars, dies at 92
Deborah Byrd
September 24, 2022
min read
Voyager 2 launched 45 years ago
Deborah Byrd
Elizabeth Howell
August 20, 2022
min read
February 18, 1930: Clyde Tombaugh discovers Pluto
Editors of EarthSky
February 18, 2022
min read
Sweden went 1st in banning aerosol sprays on January 23, 1978
Deborah Byrd
David Portree
January 23, 2022
min read
No leap second for December 31, 2021
Larry Sessions
December 31, 2021
min read
Surtsey, volcanic island, emerged in 1963
Deborah Byrd
Shireen Gonzaga
November 14, 2021
min read
What is time, and why does it move forward?
EarthSky Voices
September 19, 2021
min read
Summer solstice tale of 2 cities
Bruce McClure
June 19, 2021
min read
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