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Delta Cephei helps measure cosmic distances
Delta Cephei is an inconspicuous variable star in the northern constellation Cepheus the King. This star helps establish the cosmic distance scale.
September 24, 2021
Gamma Cephei, aka Errai, a future North Star
Gamma Cephei - or Errai - is a binary star system that will someday be Earth’s North Star. Gamma Cephei is home to the first exoplanet ever discovered.
September 22, 2021
Alpha Cephei, a fast-spinning star
Alpha Cephei, in the constellation Cepheus the King, is a bit of an enigma. It’s spinning so fast that it appears like a slightly flattened beach ball.
September 14, 2021
Fomalhaut, loneliest star, near Jupiter and Saturn in 2021
Fomalhaut is known as the “lonely one” or the "solitary one" as it shines brightly in a patch of sky with no other bright stars nearby.
September 9, 2021
Why 61 Cygni is nicknamed Flying Star
Compared to other stars, 61 Cygni moves quite rapidly against the background of more distant stars, revealing its proximity to Earth.
August 4, 2021
See Mira the Wonderful at its brightest
Catch elusive wonderful Mira, a famous variable star in the constellation Cetus, at its maximum brightness in August 2021. Now you see it ... now you don't!
August 3, 2021
Exquisite Albireo, a much-loved double star
Albireo, in the constellation Cygnus the Swan, is a favorite among stargazers. Through a small telescope, it appears as a stunning gold star with a dimmer blue companion.
July 31, 2021
Spica, bright beacon of Virgo, is 2 stars
Spica is a very close, scorching-hot pair of stars, whirling around one another. One may someday go supernova.
July 15, 2021
Summer Triangle star: Altair spins fast!
Altair is only 16.8 light-years from Earth, making it one of our closest stellar neighbors. It's variable in an usual way, and it spins fast!
July 8, 2021
Summer Triangle star: Deneb is distant and luminous
When you gaze at the bright star Deneb, Tail of the Swan, you’re gazing across thousands of light-years of space at one of the bright stars of the huge Summer Triangle asterism.
July 7, 2021
