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Posts by Bruce McClure

Moon, Venus beautify the predawn and dawn sky on April 25 Read more
Tonight | Apr 24, 2014

Look for moon and Venus before dawn on April 25

It’ll be worth waking before sunrise on April 25 to see the waning moon and brightest planet Venus in the early morning sky. Look east!

Lunar eclipse illustration courtesy of Luc Viatour
FAQs | Apr 24, 2014

What is a Blood Moon?

A lunar tetrad – four total lunar eclipses in a row – began on the night of April 14-15. People are calling it a Blood Moon eclipse. Here’s why.

Lyrid April 22, 2013 via Mike O'Neal
Tonight | Apr 23, 2014

EarthSky’s meteor shower guide for 2014

The Lyrid shower has passed, but you might see a few meteors through about April 26. The Eta Aquarids are next!

2013 Eta Aquarids.  Composite image by Colin Legg.
Tonight | Apr 23, 2014

Everything you need to know: Eta Aquarid meteor shower

Eta Aquarids best before dawn May 5, 6, and 7. Good for both the northern tropics and Southern Hemisphere. How to watch, history, radiant point, here.

11Apr26_430
Tonight | Apr 23, 2014

Star-hop from Leo to the Coma star cluster

You can use bright stars in the constellation Leo to star-hop to the Coma star cluster.

Photo Credit: Bob Star
Tonight | Apr 22, 2014

M13: Great Cluster in Hercules

The Great Cluster in the constellation Hercules – also known as M13 – is considered to be the finest globular cluster in the northern half of the heavens.

Lyrids and others via NASA/MSFC/D. Moser
Tonight | Apr 21, 2014

Everything you need to know: Lyrid meteor shower

In 2014, Lyrid meteor shower peaks on Earth Day morning, April 22. Bright moon interferes, but the Lyrids are bright, too, and can withstand some moonlight.

Via Cassini spacecraft on December 7, 2000
FAQs | Apr 21, 2014

How do astronomers know the mass of Jupiter?

Learn to find the mass of our solar system’s largest planet, Jupiter, using its orbiting moons.

Lyrid meteor 2013 by Mike O'Neal.
Tonight | Apr 21, 2014

Lyrid meteors fly in predawn moonlight on April 22

2014 Lyrid meteor shower between late night and dawn on April 21-22, under the light of a last quarter moon. If you’re up, watch for Venus before dawn.

Beginning late at night on April 18-19, the bright star i the moon's vicinity is Antares in the constellation Scorpius the Scorpion.  Antares is considered the Heart of the Scorpion.
Tonight | Apr 18, 2014

Moon and Scorpion rise after Orion sets night of April 18-19

The most famous winter constellation, Orion, is never in the sky at the same time as the most famous summer constellation, Scorpius.