The Sky This Week

U.S. Naval Observatory's Weekly Blog

Tag: Moon

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Grab a Swan by the Tail

Geoff Chester, USNO Public Affairs in on Aug. 31, 2021

Count the stars in Cygnus, the Swan for science.

The Teapot in the Milky Way

Geoff Chester, USNO Public Affairs in on Aug. 24, 2021

Exploring the Milky Way in Sagittarius.

Falling Stars and Rising Planets

Geoff Chester, USNO Public Affairs in on Aug. 10, 2021

The annual Perseid Meteor Shower peaks, and the gas giant planets swing into view.

Dog Days and Summer's Haze

Geoff Chester, USNO Public Affairs in on Aug. 3, 2021

How the "Dog days" got their name, and hazy sights in the summer sky.

Saturn is Back!

Geoff Chester, USNO Public Affairs in on July 27, 2021

A look at an unusual day, and the ringed planet reaches opposition.

Hazy Nights with the Thunder Moon

Geoff Chester, USNO Public Affairs in on July 20, 2021

Scattered moonlight and smoke from distant wildfires subdue the views of the summer sky.

Reflections on a distant journey, and clusters in the summer sky

Geoff Chester, USNO Public Affairs in on July 13, 2021

Where were you 52 years ago?

A Planetary Dance in Twilight, and Beware of the Scorpion!

Geoff Chester, USNO Public Affairs in on July 6, 2021

The Moon, Venus, and Mars hold court after sunset, and Scorpius graces the southern sky.

A Honey Moon, Apsides, and Mars Flies Through the Beehive

Geoff Chester, USNO Public Affairs in on June 22, 2021

June's Full Moon, Earth at Aphelion, and what to look for as the nights get longer.

Marking the Summer Solstice (We've been at it for a long time!)

Geoff Chester, USNO Public Affairs in on June 15, 2021

The summer solstice was perhaps the most important day in the calendars of ancient cultures, judging by what they left behind.