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Astronomy Essentials
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Visible planets and night sky guide for May
Marcy Curran
May 14, 2026
Favorite Star Patterns
The Southern Cross: your guide to due south
Editors of EarthSky
May 14, 2026
Favorite Star Patterns
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Bruce McClure
May 14, 2026
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X-ray tsunami in Perseus galaxy cluster

Deborah Byrd
May 5, 2017
 min read

What happens in 1 minute

Eleanor Imster
May 4, 2017
 min read

Earth clouds from space

Eleanor Imster
May 4, 2017
 min read

Video: Close-approach comets

Eleanor Imster
Deborah Byrd
May 3, 2017
 min read

Simulating the smallest ring world

Deborah Byrd
April 30, 2017
 min read

Cassini dives between Saturn and rings

Eleanor Imster
April 29, 2017
 min read

How Kepler saw Neptune

Deborah Byrd
April 29, 2017
 min read

New Project Skyglow video and giveaway

Deborah Byrd
April 28, 2017
 min read

Video: Cassini’s final crazy engineering

Deborah Byrd
April 21, 2017
 min read

Growing crack in Larsen-C ice shelf

Deborah Byrd
April 20, 2017
 min read
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