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Astronomy Essentials
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Visible planets and night sky guide for November
Marcy Curran
November 2, 2026
Astronomy Essentials
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Halloween is an astronomy holiday. It’s a cross-quarter day
Bruce McClure
October 30, 2026
Brightest Stars
Algol the Demon Star, named for its strange behavior
Editors of EarthSky
October 29, 2026
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Lifeform of the week: Armadillos

Alex Reshanov
February 16, 2016
 min read

Chelyabinsk meteor mystery 3 years later

Deborah Byrd
February 15, 2016
 min read

Hidden galaxies, Mars lakes, uncertain asteroid

Deborah Byrd
February 15, 2016
 min read

Cool video on astrophotography workshop

Deborah Byrd
February 15, 2016
 min read

Using light to understand rogue waves

Editors of EarthSky
February 15, 2016
 min read

Merging galaxies in Eridanus, via Hubble

Editors of EarthSky
February 13, 2016
 min read

Gravitational waves’ new window on cosmos

Deborah Byrd
February 11, 2016
 min read

Rare salamander lays eggs in Slovenia cave

Shireen Gonzaga
February 11, 2016
 min read

Volcanos, lakebeds and possible Mars life

Deborah Byrd
February 10, 2016
 min read

Icy volcano in Chile about to erupt?

EarthSky Voices
February 9, 2016
 min read
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