Posts by 

Bruce McClure

Meet Shaula and Lesath, Scorpion’s Stinger stars

Shaula and Lesath, known as the Stinger of the Scorpion, are easy to see at the end of the Tail of the constellation Scorpius.

Epsilon Lyrae is the famous Double Double star

To the unaided eye, Epsilon Lyrae appears as one star. But it’s actually a system with at least five stars. Learn how to find it here.

Latest sunsets follow the summer solstice

Why don't the latest sunsets come on the longest day (the solstice)? In a nutshell, it's a discrepancy between the sun and the clock.

Earliest sunrises (or sunsets) come before June solstice

If you live in the Northern Hemisphere, your earliest sunrises of the year are happening around now. Southern Hemisphere? Your earliest sunsets are around now.

M5, your new favorite globular star cluster

M5 in Serpens Caput is a refreshing sight through a small telescope, as thousands of stars cluster together into the tightly packed ball of this globular cluster.

Look for equinox shadows in a direct line from west to east

Equinox shadows are unique. On this day - and only this day - the tip of an upright stick's shadow follows a straight path, west to east, all day long.

Look for amazing Omega Centauri, using Spica as a guide

Omega Centauri is the largest globular star cluster visible to the eye alone. In the spring, the star Spica can lead you to the giant globular cluster.

Meet Taurus, home to 2 fabulous star clusters

Taurus the Bull resides near the constellation Orion the Hunter. It contains 2 famous star clusters that are easy to spot; they are the Pleiades and the Hyades.

The mass of a star is determined from binary star systems

Binary stars - a star system consisting of two stars - are extremely useful. They give all the information needed to measure mass of a star. Here is how.

Sirius is a future southern Pole Star

Wait, what? It's true. The sky's brightest star, Sirius aka the Dog Star, will come to within 1.6 degrees of the south celestial pole in the year 66270.