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Meet Delta Scorpii, aka Dschubba, it’s a variable star
Delta Scorpii, also known as Dschubba, is a variable star in the constellation Scorpius. With the eyes alone, you can check its brightness for yourself.
July 24, 2024
Zubenelgenubi is the alpha star of Libra the Scales
Zubenelgenubi - Alpha Librae - is a double star, and is the second brightest star in the constellation Libra the Scales.
June 23, 2024
Alphecca, a jewel in Corona Borealis the Northern Crown
Alphecca. Gemma. Alpha Coronae Borealis or simply Alpha Cor Bor. They're all names for a single star, the brightest star in the Northern Crown.
May 30, 2024
Tonight’s young moon emerges into the evening sky
The young moon will compete in brightness with several bright stars on the evening of May 9, 2024. Which will shine most brightly?
May 9, 2024
Cor Caroli, named for the heart of a king
Cor Caroli is a binary star and the brightest star in the northern constellation Canes Venatici, the Hunting Dogs. Its name means Heart of Charles.
April 24, 2024
Beta Centauri is one of the Southern Pointer Stars
Beta Centauri isn’t as famous as Alpha Centauri, but together, these brilliant Southern Hemisphere stars have inspired legends and guided mariners.
April 4, 2024
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
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
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
