Posts by 

Larry Sessions

Moon, Pleiades, Aldebaran before dawn

A beautiful view of the waning crescent moon, Pleiades star cluster and bright star Aldebaran in the dark eastern skies before dawn on July 9 and 10.

10 surprises about our solar system

Here are 10 unexpected and intriguing facts about our solar system - our sun and its family of planets - you probably did not know!

Bellatrix, in Orion, means Female Warrior

You might know Rigel and Betelgeuse, Orion's brightest stars. Now meet 2 more stars in Orion, called Bellatrix and Saiph.

Focus on stars Betelgeuse and Rigel

Many constellations have a bright star, but Orion has two: Rigel and Betelgeuse.

The Small Magellanic Cloud orbits our Milky Way

You need to be in Earth's Southern Hemisphere to see the Small Magellanic Cloud. It looks like a luminous cloud, but it's really a dwarf galaxy.

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.

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."

Jupiter starts retrograde on February 6

The best time to look for Jupiter is just ahead. Its retrograde motion begins today. A bright star, Spica in the constellation Virgo, is right next to it.

Moon, Saturn, Mars on March 28-29

Did you see these planets late Sunday night or Monday morning? Tonight, you'll see the moon closer to Saturn. Bright Antares is nearby.

Venus and Jupiter dance in daylight

Most of us think only of viewing planets at night, but sometimes you can catch them in broad daylight! The next great chance to do that is Saturday, June 20.

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