Posts by 

Larry Sessions

Mimosa, 2nd-brightest star in Crux, the Southern Cross

To see Mimosa, you need to be in the Southern Hemisphere, where it is a prominent star, or at the latitude of New Orleans, Hawaii, Cairo or New Delhi.

Can you see Canopus, the 2nd-brightest star?

Here's how to spot Canopus, the 2nd-brightest star in the sky as seen from Earth, on February evenings. It’s located far south on the sky’s dome.

Meet the Crab Nebula, remnant of an exploding star

The Crab Nebula, the scattered fragments of a supernova, or exploding star, was observed by earthly skywatchers in the year 1054.

Bright Procyon: The Little Dog Star in Canis Minor

The Dog Star, Sirius, is easy to spot because it's the sky's brightest star. Procyon - the other Dog Star - is near its brighter brother on the sky's dome.

Blue-white Rigel is Orion’s brightest star

Blue-white Rigel shines as the brightest star in the constellation Orion the Hunter. It's a hot massive star in the latter stages of its stellar evolution.

Aldebaran is Taurus the Bull’s fiery eye

Aldebaran, the brightest star in Taurus the Bull, is at one tip of a V-shaped cluster. If placed where our sun is, its surface would pass the orbit of Mercury.

Achernar is the End of the River of Eridanus constellation

Achernar is the 9th brightest star and flattest star known. It marks the end of Eridanus the River. Here's why much of Earth never sees it ... and how you can.

Fomalhaut is the loneliest star in the southern sky

Fomalhaut is known as the “lonely one” or the "solitary one" because it shines brightly in a patch of sky with no other bright stars. In 2023, Saturn is nearby.

Why can’t I find the Big Dipper in September?

Use the famous Big Dipper to find Polaris, the North Star. In September, the Big Dipper is in the northwest in the evening. But watch for it soon!

61 Cygni – a double star – is nicknamed Flying Star

Compared to other stars, 61 Cygni moves quite rapidly against the background of more distant stars, revealing its proximity to Earth.