Dubhe in Ursa Major
Stars

Star Facts: Dubhe

June 25, 2017 Peter Christoforou 0

Despite its “alpha” designation, the orange giant star Dubhe (Alpha Ursae Majoris) with an apparent magnitude of +1.79 is the second-most luminous star in the constellation Ursa Major. It is also the 36th most luminous […]

Beta Cancri
Stars

Star Facts: Al Tarf

June 23, 2017 Peter Christoforou 0

Despite its “beta” designation the giant star Al Tarf (Beta Cancri) is the most luminous star in the zodiacal constellation of Cancer, although with an apparent magnitude of just +3.5 it is still a challenging […]

Star Facts: Eta Piscium
Stars

Star Facts: Eta Piscium

June 16, 2017 Peter Christoforou 0

Eta Piscium, also known as KULLAT NUNU, is a white to yellow giant star located 294 light years from Earth in the zodiacal constellation of Pisces. At magnitude +3.26, it is the brightest star in […]

Sadalsuud Star
Stars

Star Facts: Sadalsuud

June 16, 2017 Peter Christoforou 0

Despite its “beta” designation, the star Sadalsuud, also known as Beta Aquarii, is the most luminous star in the constellation Aquarius with an apparent visual magnitude of +2.78. Interestingly, Sadalsuud, and two other intermediate mass […]

Hamal (Alpha Arietis)
Stars

Star Facts: Hamal

June 12, 2017 Peter Christoforou 0

Hamal (Alpha Arietis), the most luminous star in the zodiacal constellation Aries, is a red to orange giant located 65.8 light years from Earth that shines with an apparent visual magnitude of +2.00. This also […]

Star Facts: Rasalhague
Stars

Star Facts: Rasalhague

June 10, 2017 Peter Christoforou 0

Rasalhague (Alpha Ophiuchi) is a binary star with a combined apparent visual magnitude of +2.07, making it the brightest star in the constellation Ophiuchus, and the 59th brightest star in the entire night sky overall. […]

Kaus Australis
Stars

Star Facts: Kaus Australis

June 6, 2017 Peter Christoforou 0

Epsilon Sagittarii, also known as Kaus Australis, has an apparent visual magnitude of +1.85, making it the most luminous star in the southern sky constellation of Sagittarius. Along with the stars Gamma Sagittarii, Delta Sagittarii, […]

Zubeneschamali
Stars

Star Facts: Zubeneschamali

June 1, 2017 Peter Christoforou 0

Despite its “beta” designation, Beta Librae is the brightest star in the constellation Libra, with an apparent magnitude of +2.6. However, the debate about its true brightness dates back to antiquity; Eratosthenes (276-194 BC) was […]

Pollux and Castor
Stars

Star Facts: Castor

May 19, 2017 Peter Christoforou 0

Castor (Alpha Geminorum) is the “other” star that marks out the “heads” of the Heavenly Twins in the constellation Gemini, the other being Pollux (Beta Geminorum). Even though Castor is the least luminous of the […]

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