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Summer Triangle star: Vega is bright and blue-white
There's a noticeable star pattern called the Summer Triangle in the east on July and August evenings. Its brightest star is blue-white Vega.
July 19, 2024
Summer Triangle star Deneb is distant and luminous
When you gaze at the bright star Deneb, you’re gazing across thousands of light-years of space at one of the bright stars of the huge Summer Triangle asterism.
July 12, 2024
Summer Triangle star: Altair is variable and spins fast!
Altair, in the constellation Aquila the Eagle, is one of the closest stars to our solar system. It's variable in an unusual way, and it spins very fast!
July 10, 2024
Exquisite Albireo, a colorful double star
Albireo, in the constellation Cygnus, is a favorite for stargazers. Through a small telescope, it appears as a beautiful gold star with a dimmer blue companion.
July 3, 2024
Zubenelgenubi is 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
Massive ruby red Antares is the Scorpion’s Heart
Red Antares, Heart of the Scorpion in the constellation Scorpius, is a massive red supergiant star in the last stages of its lifespan.
June 19, 2024
Rastaban and Eltanin, the Dragon’s Eyes, on June evenings
Look in the northeast on these June evenings, near the star Vega. You'll see Rastaban and Eltanin, the eyes of Draco the Dragon.
June 14, 2024
Is Zubeneschamali in the constellation Libra a green star?
Professional astronomers can explain to you why stars can’t look green. Yet many stargazers insist that Zubeneschamali proves otherwise.
May 31, 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
Spica, the bright beacon of Virgo, is 2 stars
Spica is a scorching-hot pair of stars, whirling very closely around one another. One of them may go supernova someday. It's the brightest star in Virgo.
May 19, 2024
