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Tonight

Spring Triangle in the east at night, heralding the season
As the Northern Hemisphere enters spring, look for the Spring Triangle rising in the east, made up of bright beacons from three prominent constellations.
Scott Levine
April 23, 2024

Astronomy Essentials

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Visible planets and night sky guide for April
April 23, 2024
2024 Lyrid meteor shower: All you need to know
April 21, 2024
Meteors in moonlight: 6 tips for 2024’s Lyrids
April 21, 2024
Why does the moon seem to follow me when I’m in a car?
April 19, 2024

Brightest Stars

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Sun news April 23: A sun day full of M flares!
April 23, 2024
Beta Centauri is one of the Southern Pointer Stars
April 4, 2024
Betelgeuse is dimming again. When will it explode?
March 17, 2024
Lonely Alphard is the brightest star in Hydra
March 4, 2024

Constellations

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Meet Sextans, the constellation of the sextant
April 16, 2024
Meet Cancer the Crab and its Beehive cluster
March 10, 2024
Meet Canis Minor the Lesser Dog in February
February 7, 2024
Meet Taurus the Bull in the February evening sky
February 6, 2024

Clusters Nebulae Galaxies

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The Beehive cluster: A swarm of 1,000 stars
March 7, 2024
Meet the Crab Nebula, remnant of an exploding star
January 14, 2024
The Local Group is our galactic neighborhood
October 24, 2023
Triangulum galaxy is 2nd-closest to Milky Way
October 24, 2023

Favorite Star Patterns

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Spring Triangle in the east at night, heralding the season
April 23, 2024
The Hyades star cluster: The Face of Taurus the Bull
January 25, 2024
Meet the Winter Circle, aka the Winter Hexagon
January 24, 2024
The Pleiades – or 7 Sisters – known around the world
November 26, 2023
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