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Tonight

Mars in 2022: Earth flies between Mars and sun December 7-8
Mars has brightened throughout 2022 as it draws near its opposition on December 8. Plus, the moon will occult - pass in front of - Mars. Read more.
Deborah Byrd
December 6, 2022

Astronomy Essentials

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Mars in 2022: Earth flies between Mars and sun December 7-8
December 6, 2022
2022 December solstice: All you need to know
December 3, 2022
Comet 2022 E3 now in morning skies, brightening
December 1, 2022
Visible planets and night sky December 2022
November 29, 2022

Brightest Stars

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Schedar shines brightly at the Queen’s heart
December 4, 2022
Bellatrix is Orion’s 3rd-brightest star
November 13, 2022
Mirach is guide star to 3 galaxies
November 11, 2022
Algol the Demon Star of Perseus
October 27, 2022

Constellations

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Triangulum the Triangle in northern skies
December 6, 2022
Auriga the Charioteer and bright Capella on October evenings
October 28, 2022
Meet Aquarius the Water Bearer and its stars
October 16, 2022
Celestial ocean in the autumn sky
October 14, 2022

Clusters Nebulae Galaxies

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Double Cluster in Perseus on October evenings
October 25, 2022
See Messier 20, the Trifid Nebula
August 17, 2022
M6 and M7 in the Scorpion’s Tail
July 2, 2022
What are Messier objects?
June 30, 2022

Favorite Star Patterns

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Great Square of Pegasus gallops into autumn sky
September 21, 2022
Teapot points to Milky Way center
August 21, 2022
Summer Triangle: Signpost of the season
June 26, 2022
Pleiades – or 7 Sisters – known around the world
November 14, 2021
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