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Larry Sessions

Alpheratz is part of the Great Square

Finding the star Alpheratz can help you spot the Andromeda Galaxy, the nearest large spiral galaxy to Earth.

5 myths about the moon

Moon myths, take that! Here are 5 of the most common myths about our moon explained.

Use Big Dipper to find North Star

The 2 outermost stars in the bowl of the Big Dipper point to Polaris, the North Star.

Fomalhaut had first visible exoplanet

How to see the star Fomalhaut in your sky and a word about Fomalhaut b, the first planet beyond our solar system visible to the eye in photographic images.

Deneb is distant and very luminous

Deneb is one of the most distant stars you will see with your eye alone. That’s because it’s one of the most luminous stars in the Milky Way galaxy.

Altair is the bright star of the Eagle

Altair needs only 10 hours to spin once on its axis, in contrast to roughly a month for our sun. This mighty star spins on its axis faster than Earth does!

Earth’s eclipses are special

Solar eclipses aren’t exclusive to Earth, but eclipses viewed from our planet have few rivals in the solar system. A word about Earth’s solar eclipses, and what eclipses would be like on other planets, here.

Vega is the Harp Star

One of the prettiest stories in all skylore surrounds this star. “On the 7th night of the 7th moon … “

Antares is Heart of the Scorpion

Bright red Antares is easy to spot now. It’s the brightest star in the constellation Scorpius and represents the Scorpion’s Heart.

The enduring mystique of Barnard’s Star

Sometimes called Barnard’s Runaway Star, it’s one of the best known stars in the history of astronomy and in popular culture.