Is Zubeneschamali a green star?

Professional astronomers can explain to you why stars can’t look green. Yet many stargazers swear that Zubeneschamali proves otherwise.

Zubenelgenubi is Libra’s alpha star

Zubenelgenubi - otherwise known as Alpha Librae - is a double star, and despite its 'alpha' designation, is actually the second-brightest star in the constellation Libra the Scales.

Ruby red Antares is the Scorpion’s Heart

Red Antares, Heart of the Scorpion in the constellation Scorpius, is a mighty star, a red supergiant.

Alphecca, a jewel in 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 Northern Crown.

Arcturus, brightest star of the north

Arcturus is the 4th brightest star in the sky and the brightest star north of the celestial equator. One of the easiest stars to locate due to its position off the handle of the Big Dipper, you can look for it on spring evenings in the Northern Hemisphere.

Beta Centauri is a Southern Pointer Star

Beta Centauri isn’t as famous as Alpha Centauri, but together, these brilliant Southern Hemisphere stars have inspired legends and guided mariners.

Alpha Centauri, star system closest to our sun

Our closest stellar neighbors are the 3 stars that make up the Alpha Centauri system. They lie just over 4 light-years - about 25 trillion miles or 38 trillion km - away.

Acrux, brightest star in Southern Cross

You have to go far south on Earth's globe to see the Southern Cross constellation. Bluish Acrux, aka Alpha Crucis, is its brightest star.

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.

See Sirius, the brightest star in the night sky

Find out how to spot Sirius - in the constellation Canis Major the Greater Dog - the brightest star as seen from Earth. Learn the mythology behind this dazzling light and how it earned the nickname of the Dog Star.

2021 EarthSky Fundraiser

Any amount will help us reach our goal.

Would you consider

donating?

If you've already donated, we apologize for the popup and greatly appreciate your support.