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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.
January 10, 2024
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.
January 4, 2024
Sirius B: Now is the best time to see Sirius’ companion
Now is a great time to see Sirius' dim companion, Sirius B. The two are currently at their maximum separation as viewed from Earth.
December 22, 2023
Menkar – a visual double – is the Whale’s alpha star
It's not the most famous star in Cetus the Whale, or the brightest. But Menkar is the Whale's alpha star and has its own claims to fame.
December 8, 2023
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.
December 5, 2023
Mirfak is the brightest star in Perseus the Hero
Mirfak is the brightest star in Perseus and is visible even from light-polluted locations. This star is a member of the Alpha Persei Moving Cluster of stars.
December 3, 2023
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.
November 22, 2023
Al Risha binds the Fishes of Pisces together
The star Al Risha in the constellation Pisces isn't bright. But it's at the tip of the graceful V in the constellation Pisces and it's very noticeable.
November 21, 2023
Meet Hamal, an ancient equinox star
Meet Hamal, the brightest star in Aries, and learn why people sometimes refer to the March equinox point as the First Point in Aries.
November 19, 2023
Almach, a quadruple star system in Andromeda
With the eye alone, Almach looks like a single star. Through a telescope, it looks like a colorful duo. But Almach is really 4 stars.
November 17, 2023
