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Astronomy Essentials
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Visible planets and night sky guide for May
Marcy Curran
May 12, 2026
Brightest Stars
Polaris is the present-day North Star of Earth
Bruce McClure
May 12, 2026
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How to see the Northern Crown (Corona Borealis)
Deborah Byrd
May 10, 2026
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New telescope to ‘see inside’ hot Jupiter exoplanets

Paul Scott Anderson
October 16, 2019
 min read

How deep is the ocean?

EarthSky Voices
October 10, 2019
 min read

Curiosity finds an ancient oasis on Mars

Deborah Byrd
October 9, 2019
 min read

Saturn is our solar system’s new moon king

Eleanor Imster
October 9, 2019
 min read

Cosmic web fuels stars and supermassive black holes

Deborah Byrd
October 6, 2019
 min read

Shapeshifting robots for Saturn’s moons

Deborah Byrd
October 1, 2019
 min read

2019’s Arctic sea ice minimum 2nd-lowest on record

Eleanor Imster
September 29, 2019
 min read

NASA creates stunning new black hole visualization

Deborah Byrd
September 27, 2019
 min read

Found: 3 black holes due to collide

Deborah Byrd
September 27, 2019
 min read

Milky Way’s black hole appears to be getting hungrier

Deborah Byrd
September 15, 2019
 min read
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