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Astronomy Essentials
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Visible planets and night sky guide for September
Marcy Curran
September 4, 2026
Constellations
Cassiopeia the Queen ascends in September and October
Editors of EarthSky
September 4, 2026
Constellations
Corona Australis is the sparkling Southern Crown
Kelly Kizer Whitt
September 3, 2026
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Cassiopeia the Queen ascends in September and October
Editors of EarthSky
September 4, 2026
min read
The Wild Duck cluster, M11, a lovely open cluster in Scutum
Bruce McClure
August 28, 2026
min read
Sagittarius the Archer is home to deep-sky wonders
Bruce McClure
Kelly Kizer Whitt
August 23, 2026
min read
The Great Rift is a dark swath in the Milky Way
Bruce McClure
August 19, 2026
min read
Double star 61 Cygni: Why is it known as the Flying Star?
Editors of EarthSky
August 5, 2026
min read
M6 and M7: Open star clusters in the Scorpion’s Tail
Bruce McClure
EarthSky Voices
July 23, 2026
min read
Find M4: An easy to spot globular cluster near Antares
Deborah Byrd
July 22, 2026
min read
The Northern Cross: Find the backbone of the Milky Way
Bruce McClure
July 19, 2026
min read
Scorpius the Scorpion and its legendary stinger
Editors of EarthSky
July 10, 2026
min read
Exquisite Albireo, a beloved and colorful double star
Bruce McClure
Shireen Gonzaga
July 2, 2026
min read
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