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Almach, a quadruple star system in Andromeda
With the eye alone, Almach looks like a single star. Through a telescope, it looks like a colorful duo. But Almach is really 4 stars.
November 17, 2023
Algol the Demon Star of Perseus
What's the scariest star in all the heavens? Look for Algol the Demon Star on autumn evenings. It's a great choice for a driveway telescope night on Halloween.
October 31, 2023
Deneb Kaitos marks the tail of Cetus the Whale
Deneb Kaitos is the brightest star in the constellation Cetus the Whale. It's at its highest in the sky on October and November evenings.
October 28, 2023
Gamma Cephei, aka Errai, a future North Star
Gamma Cephei - or Errai - is a binary star system that will one day be Earth’s North Star. It's home to the 1st exoplanet ever discovered.
October 4, 2023
Fomalhaut is the loneliest star in the southern sky
Fomalhaut is known as the “lonely one” or the "solitary one" because it shines brightly in a patch of sky with no other bright stars. In 2023, Saturn is nearby.
September 24, 2023
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 10, 2023
Alderamin, or Alpha Cephei, is a fast-spinning star
Meet Alpha Cephei, in the constellation Cepheus the King. It’s spinning so fast that it appears like a slightly flattened beach ball.
September 10, 2023
61 Cygni – a double star – 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 11, 2023
Thuban was Pole Star for the ancient Egyptians
The Pole Stars change over time. Thuban was the Pole Star some 5,000 years ago, when the Egyptians were building the pyramids.
August 9, 2023
Meet Shaula and Lesath, Scorpion’s Stinger stars
Shaula and Lesath, known as the "stinger stars," mark the location of the scorpion's stinger in the zodiacal constellation Scorpius.
July 28, 2023
