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Image via Ming Zhao / University of Michigan

Altair is the bright star of the Eagle

Altair needs only 10 hours to spin once on its axis, in contrast to roughly a month for our sun. This mighty star spins on its axis more rapidly than Earth! How to see it.

Image via Tom Wildoner

Albireo, beloved double star

Albireo is known best for the striking color contrast between its two stars, with the brighter star gold and the dimmer star blue.

Image via Janusz Krysiak/Astronomy Sketch of the Day

Epsilon Lyrae, famous Double Double star

Binoculars reveal Epsilon Lyrae as a double star – two stars in one. A telescope shows that each component star is also a double. The double double star!


Vega is the Harp Star

One of the prettiest stories in all skylore surrounds this star. “On the 7th night of the 7th moon … “


Eltanin and Rastaban, the Dragon’s Eyes

These two famous stars shine down from the northern sky. Eltanin and Rastaban represent the fiery Eyes of the constellation Draco the Dragon.

Red Antares, via Fred Espenak at AstroPixels. Used with permission.

Antares is Heart of the Scorpion

Bright reddish Antares is easy to spot on a summer night. It is the brightest star in the fishhook-shaped constellation Scorpius the Scorpion.

Corona Borealis, the Northern Crown, with its brightest star Alphecca, via Fred Espenak and AstroPixels. Used with permission.

Alphecca, the jewel in the Northern Crown

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.

Artist's concept of Kochab seen from its planets via ESky

Kochab and Perked, guardians of north

Two noticeable stars in the Little Dipper are said to guard the north celestial pole because they circle so close to Polaris.


Is Zubeneschamali green?

Although some scientists claim stars can’t look green, many stargazers will swear that Zubeneschamali proves otherwise.

Zubenelgenubi looks like one star to the eye, but it's actually two stars.   Image via AAO/STScI/WikiSky

Zubenelgenubi is Libra’s alpha star

It’s now Libra’s alpha star. But Zubenelgenubi is an Arabic name indicating that this star was once perceived as the Southern Claw of Scorpius the Scorpion.