The Sky This Week

U.S. Naval Observatory's Weekly Blog

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Into the Mouth of the Southern Fish

Geoff Chester, USNO Public Affairs in on Nov. 9, 2021

The autumn sky's brightest star has some interesting characteristics.

It's Time For a Change...Of Our Clocks!

Geoff Chester, USNO Public Affairs in on Nov. 2, 2021

We "fall back" to Standard Time.

Treats to See in the Halloween Sky

Geoff Chester, USNO Public Affairs in on Oct. 26, 2021

If you have a telescope, share the view with your Halloween visitors!

What's There To See Under a Bright Fall Moon?

Geoff Chester, USNO Public Affairs in on Oct. 19, 2021

When a bright Moon washes out the evening sky, here are some things to point your optics toward.

All Eyes on the Moon!

Geoff Chester, USNO Public Affairs in on Oct. 12, 2021

It's time for International Observe the Moon Night.

Some Stories in the Stars

Geoff Chester, USNO Public Affairs in on Oct. 5, 2021

The autumn sky is full of mythological tales.

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.

The Veil in the Milky Way

Geoff Chester, USNO Public Affairs in on Sept. 21, 2021

The autumnal equinox brings longer, crisp evening, the perfect time to hunt down treasures in the Milky Way.

Shine on, Harvest Moon!

Geoff Chester, USNO Public Affairs in on Sept. 14, 2021

Why do we have a "Harvest Moon"?

Summer Sights for Balmy Nights

Geoff Chester, USNO Public Affairs in on Sept. 7, 2021

Balmy late summer evenings offer a great time to view the splemdors of the summer sky.