Geoff Gaherty

Starry Night Education

Latest articles by Geoff Gaherty

The Geminid meteor shower peaks the week of Dec. 9, 2015. Astrophotographer Cody Limber took this composite image during the Geminid meteor shower on Dec. 14, 2013.

Geminid Meteor Shower Puts on Dazzling Display This Week

By Geoff Gaherty published

The Geminid meteor shower peaks this week. Here's how to see it.

Meteoroids
Blue Moon of July 2015

Full Moon on Friday Is a Blue Moon: Here's Why

By Geoff Gaherty published

On Friday, much of the world will have the opportunity to observe a Blue Moon: A somewhat rare occurrence that doesn't have anything to do with the moon's color.

Astronomy
A Quadrantid meteor shower streaks across the night sky over Tenerife in Spain's Canary Islands in this 2012 photo captured by photographer Roberto Porto. The 2015 Quadrantid meteor shower will peak on Saturday, Jan. 3.

First Meteor Shower of 2015 Peaks This Weekend

By Geoff Gaherty published

Stargazers can start the New Year off with a bang this weekend as the first meteor shower of 2015 reaches its peak on Saturday night (Jan. 3). Here's how to see the 2015 Quadrantid meteor shower.

Meteoroids
Minimoon and Supermoon Comparison 2014

Smallest Full Moon of 2014 Rises Tonight: Here's Why

By Geoff Gaherty published

The Moon
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How to Spot Giant Asteroid Vesta in Night Sky This Week

By Geoff Gaherty published

Vesta, the brightest and second largest asteroid, can be seen in the constellation Capricornus.

Asteroids
Six planets and the waning crescent moon arrayed in the dawn sky on Saturday April 30, as seen from Los Angeles, California.

Six Planets Now Aligned in the Dawn Sky

By Geoff Gaherty published

Skywatching tips for how you can view six planets aligned above the rising sun.

Planets