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The Sky This Week
U.S. Naval Observatory's Weekly Blog
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galaxies
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Naval observatory
Moon
stars
Arcturus
galaxies
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A Comet Collision?
Geoff Chester, USNO Public Affairs
in
on May 24, 2022
A disintegrating comet just might give us a show.
Read More
Naval observatory
cross-quarter days
calendar
Moon
planets
galaxies
Supernova
In the Merry Month of May
Geoff Chester, USNO Public Affairs
in
on May 3, 2022
The nights are getting shorter, but May still has a lot to offer.
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Naval observatory
Moon
planets
Double stars
galaxies
dark sky week
Celebrate and Explore the Dark Sky!
Geoff Chester, USNO Public Affairs
in
on April 19, 2022
It's International Dark Sky Week, so dim your outside lights and come see the stars with us.
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Naval observatory
Moon
planets
stars
constellations
galaxies
Springtime Sky Sights, Near and Far
Geoff Chester, USNO Public Affairs
in
on March 22, 2022
From nearby planets to distant galaxies, this is the season for "going deep".
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Naval observatory
Moon
planets
stars
galaxies
Venus
Jupiter
Saturn
The Horse in the Square
Geoff Chester, USNO Public Affairs
in
on Sept. 28, 2021
Count stars in Pegasus for science, and find the most distantthing you can see with your eyes alone.
Read More
Naval observatory
Moon
sun
eclipse
stars
planets
galaxies
A Dawn Eclipse, Then a Jump Into the Whirlpool
Geoff Chester, USNO Public Affairs
in
on June 8, 2021
An unusual dawn solar eclipse, and a journey to a splendid galaxy.
Read More
Naval observatory
stars
constellations
galaxies
planets
Chasing Comet Bits and Distant Galaxies
Geoff Chester, USNO Public Affairs
in
on May 4, 2021
A meteor shower courtesy of Halley's Comet, and a chance to view into the abyss.
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Naval observatory
Moon
Mars
Jupiter
Saturn
planets
constellations
galaxies
Lions and Galaxies and Bears, Oh, My!
Geoff Chester, USNO Public Affairs
in
on March 30, 2021
Highlights of the springtime sky in the constellations of Leo and Ursa Major.
Read More
Moon
planets
Jupiter
Saturn
Mercury
Venus
Mars
stars
constellations
galaxies
How Many Stars Can You Fit Into a Square?
Geoff Chester, USNO Public Affairs
in
on Nov. 10, 2020
Counting stars for science, and how to find the most distant thing you can see with your unaided eyes.
Read More
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