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Larry Sessions

Star of the week: Deneb

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.

Star of the week: Altair

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.

10 space objects to see daytime

A rundown of the top 10 space objects you can see – under the right conditions – during the day.

The Guardians of the Pole

Kochab and Pherkad – 2 stars in the Little Dipper – are called Guardians of the Pole. How to find them and more.

Cottonwood trees and the snows of June

Cottonwood trees in the American West are a nuisance to some and a treasure to others. They yield shade, beautiful foliage and, in June, a kind of warm, fluffy “snow.”

Alpha Centauri system, closest to sun

We see this star system as a single star, but it’s really 3 stars. Of the 3, Proxima is closer to our sun than any other known star.