Almach looks like a single star to the eye and like a colorful double star through a telescope. But today we know Almach as four stars.
Achernar – also known as Alpha Eridani – is the 9th brightest star in Earth’s sky and the flattest star known.
The star Al Risha in Pisces is not bright. But – at the tip of the graceful V in Pisces – it’s very noticeable.
On (or around) Halloween, look for Algol – a star named for a demon!
The orange-colored star Mirach in the constellation Andromeda acts as your guide star to three different galaxies: M31 (Andromeda galaxy), M33 (Triangulum galaxy), and NGC 404.
Look for Deneb Kaitos – brightest star in Cetus the Whale – highest in the sky around mid-evening in northern autumn.
For much of the Northern Hemisphere, on clear nights you can always see the brightest star in the constellation Cassiopeia.
Gamma Cephei (aka Errai) is a binary star system with at least one planet. It’ll someday be a North Star for Earth.
Fomalhaut is sometimes called the Loneliest Star. Its planet Fomalhaut b was the first beyond our solar system to be visible to the human eye.
Delta Cephei doubles in brightness every 5.36 days. This star and others like it have helped establish the known scale of our galaxy and universe.
Cepheus the King is not a very conspicuous constellation and has only one relatively bright star, Alderamin – aka Alpha Cephei. This star rotates rapidly!
61 Cygni isn’t bright. But it moves exceptionally rapidly against the background of more distant stars. Its motion reveals its nearness to Earth.
Albireo is known best for the striking color contrast between its two stars, with the brighter star gold and the dimmer star blue.
How to spot it, plus an explanation of why meteors in annual showers have radiant points.
One of the prettiest stories in all skylore surrounds this star. “On the 7th night of the 7th moon … “
On summer nights, two famous stars shine down from high in the northern sky. Eltanin and Rastaban represent the fiery Eyes of the constellation Draco the Dragon.
At the end of the Scorpius the Scorpion’s graceful pattern of stars, you’ll find the Stinger stars. Shaula and Lesath are noticeably bright and close together.
The ruby Heart of Scorpius is the 16th brightest star in our sky and one of the most gigantic stars known.
Alphecca. Gemma. Alpha Coronae Borealis or simply Alpha Cor Bor. They’re all names for one star – the brightest star in the constellation Northern Crown.
Although some scientists claim stars can’t look green, many stargazers will swear that Zubeneschamali proves otherwise.