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Deborah Byrd

Moon that’ll cover sun on August 21 is called a Black Moon

Like Blue Moon, Black Moon is a name from folklore. It’s the name for the 3rd of 4 new moons in a season. The August 21 total solar eclipse is caused by such a moon. Some will call it a Black Moon eclipse.

Where’s the moon? Waning crescent

When is the last waning moon you’ll see before Monday’s eclipse? If you’re in the Northern Hemisphere – and have a clear sky – probably Sunday morning. Look east before sunup.

Constellation Cepheus looks like a house

The constellation Cepheus represents a King, but looks like the stick house that children draw.

Crepuscular rays from the moon

Crepuscular rays from the moon – August 11, 2017 – from Vancouver Island.

Milky Way over Mount Rainier

Iconic Mount Rainier in the U.S. state of Washington, with a glorious summer Milky Way above. The light strings on the mountain are climbers!

Last quarter moon is August 14-15

Watch for the last quarter moon tonight after midnight or Tuesday morning. Just one week to go to the total solar eclipse!

Ophiuchus is part of the zodiac, too

The sun is in front of the constellation Ophiuchus from about November 30 to December 18. Look for it in the southwest sky on August and September evenings.

See it! 2017’s Perseid meteor shower

Despite a bright moon, the brightest Perseids put on a good show. See photos from the EarthSky community here.

10 tips to minimize moon and optimize 2017’s Perseid meteor shower

A waning gibbous moon will do its best to drown out the 2017 Perseid meteor shower. Here are some tips for enjoying the moonlit Perseid meteors in 2017.

How to know your eclipse glasses are safe

Unscrupulous companies are printing ISO certification labels on fake eclipse glasses. Click here for a link to a reputable vendors page from the American Astronomical Society.