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Moon near Castor and Pollux, February 2 and 3
Kelly Kizer Whitt
February 2, 2023
Astronomy Essentials
The stars Shaula and Lesath herald spring, too
Bruce McClure
February 2, 2023
Astronomy Essentials
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Groundhog Day is an astronomy holiday
Editors of EarthSky
February 2, 2023
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Tonight
Moon near Castor and Pollux, February 2 and 3
You can spot the waxing gibbous moon near Castor and Pollux in Gemini the Twins on the evenings of February 2 and 3, 2023. Read more here.
Kelly Kizer Whitt
February 2, 2023
Visible planets and night sky February 2023
February 1, 2023
Groundhog Day is an astronomy holiday
February 2, 2023
Comet 2022 E3 ZTF closest to Earth February 1 and 2
January 31, 2023
Meteor shower guide: Next up, the Lyrids
January 15, 2023
Cassiopeia the Queen reigns in February
February 5, 2023
February full moon – Snow Moon – February 5
February 5, 2023
Subscribe now! A daily update with Science news, great photos, sky alerts.
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Astronomy Essentials
View All
The stars Shaula and Lesath herald spring, too
Bruce McClure
February 2, 2023
Groundhog Day is an astronomy holiday
Editors of EarthSky
February 2, 2023
Visible planets and night sky February 2023
Marcy Curran
February 1, 2023
Exoplanets are worlds orbiting other stars
Andy Briggs
February 1, 2023
Brightest Stars
View All
Betelgeuse will explode someday
Larry Sessions
January 27, 2023
Capella is sometimes called the Goat Star
Larry Sessions
January 26, 2023
Schedar shines brightly at the Queen’s heart
Editors of EarthSky
December 4, 2022
Bellatrix is Orion’s 3rd-brightest star
Kelly Kizer Whitt
November 13, 2022
Constellations
View All
Phoenix is one of the Southern Birds
Kelly Kizer Whitt
December 22, 2022
Meet Pisces the Fish, 1st constellation of the zodiac
Bruce McClure
December 18, 2022
Hydrus the Lesser Water Snake in southern skies
Kelly Kizer Whitt
December 12, 2022
Triangulum the Triangle in northern skies
Kelly Kizer Whitt
December 6, 2022
Clusters Nebulae Galaxies
View All
Meet the Crab Nebula, remnant of an exploding star
Larry Sessions
January 15, 2023
The Orion Nebula is a starry nursery
Bruce McClure
December 16, 2022
Double Cluster in Perseus on October evenings
Bruce McClure
October 25, 2022
See Messier 20, the Trifid Nebula
Bruce McClure
August 17, 2022
Favorite Star Patterns
View All
How to find the Winter Hexagon or Winter Circle
Bruce McClure
January 19, 2023
Great Square of Pegasus gallops into autumn sky
Deborah Byrd
September 21, 2022
Teapot points to Milky Way center
Bruce McClure
August 21, 2022
Summer Triangle: Signpost of the season
Deborah Byrd
June 26, 2022