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Bruce McClure

December 2 moon is nearly full

It’s called a Long Night Moon because our nights are long now, and because this moon takes a high path across the sky. In the Southern Hemisphere … Short Night Moon!

EarthSky’s 2017 meteor shower guide

A highlight of the meteor-watching year is just ahead. The Geminid meteor shower rivals the August Perseids and, in 2017, has little to no interference from the moon.

December guide to the bright planets

Of the 5 bright planets, Mars and Jupiter appear in the December 2017 predawn sky all month. Mercury joins them around the December solstice. Venus and Saturn will become lost in the sun’s glare this month.

When is the next Blue Moon?

Blue-colored moons are rare. But folklore has defined 2 other sorts of Blue Moons, which are more commonly seen. The next one will be on January 31, 2018.

Moon and Aldebaran in early December

Starting this evening, on December 1, and for the next few days, see if you can spot the star Aldebaran in the moon’s glare.

Sun enters Ophiuchus on November 30

The sun always passes in front of Ophiuchus from about November 30 to December 18. That’s why some call Ophiuchus an unofficial member of the zodiac.

Moon near Uranus on November 29

Good night to locate constellation Pisces, behind the moon and Uranus. Then you can search for Pisces again – and maybe find Uranus, too – when the moon moves away.

Aries? Here’s your constellation

How to see Aries the Ram in your night sky, plus info about this constellation in astronomy history and mythology.

Saturn-Mercury conjunction is 1st of 3

Saturn and Mercury come together low in the western twilight sky on November 28, 2017. Here’s how to spot them.

Watch for Mars and Spica before dawn

Now the view toward the east before dawn has entirely changed. Bright Jupiter is the 1st object you’ll notice. Venus can only be seen very shortly before sunup. Mars and Spica are fainter, but close!