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Visible planets and night sky guide for May
Marcy Curran
May 7, 2026
Clusters Nebulae Galaxies
Meet Omega Centauri, a giant globular star cluster
Bruce McClure
May 6, 2026
Astronomy Essentials
2026 Eta Aquariid meteor shower best before dawn on May 5
Editors of EarthSky
May 4, 2026
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What happens underground when a meteor hits
Eleanor Imster
April 17, 2015
min read
How often does a solar eclipse happen on the March equinox?
Bruce McClure
March 7, 2015
min read
Is it better to be a night owl or an early bird?
Eleanor Imster
December 5, 2014
min read
Why do we scream?
Editors of EarthSky
October 31, 2014
min read
Why am I the one mosquitos always bite?
Eleanor Imster
September 19, 2014
min read
What is the blue hour?
Deborah Byrd
August 30, 2014
min read
Will the Andromeda galaxy someday collide with our Milky Way?
Editors of EarthSky
July 23, 2014
min read
Does Earth have a second moon?
Deborah Byrd
July 22, 2014
min read
Baltoro Glacier is a river of ice in Pakistan
Deborah Byrd
July 7, 2014
min read
How do astronomers know Jupiter’s mass?
Bruce McClure
April 21, 2014
min read
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