Stars in the Sky Tonight
The stars in tonight’s sky form many familiar patterns that make their host constellations easy to identify. For northern observers, the stars of the Big… Read More »Stars in the Sky Tonight
Eta Centauri
Eta Centauri is a hot blue main sequence star located approximately 306 light years away in the southern constellation Centaurus. With an apparent magnitude of… Read More »Eta Centauri
Spica
Spica, Alpha Virginis (α Vir), is a blue-white spectroscopic binary star located at a distance of 250 light years from Earth in the constellation Virgo. With… Read More »Spica
Diadem (Alpha Comae Berenices)
Diadem, Alpha Comae Berenices (α Com), is a binary star located 58.1 light-years away in the constellation Coma Berenices. With a combined apparent magnitude of… Read More »Diadem (Alpha Comae Berenices)
Muscida (Omicron Ursae Majoris)
Muscida, Omicron Ursae Majoris (ο UMa), is a yellow giant star located 182 light years away in the constellation Ursa Major (the Great Bear). With… Read More »Muscida (Omicron Ursae Majoris)
Alnitak (Zeta Orionis)
Alnitak, Zeta Orionis (ζ Ori), is the primary component in a triple star system with a combined apparent magnitude of 1.77. The blue supergiant star… Read More »Alnitak (Zeta Orionis)
WR 104 (Pinwheel Star)
WR 104 is a young star system consisting of three exceptionally hot stars, a Wolf-Rayet star and two luminous blue main sequence stars. The system… Read More »WR 104 (Pinwheel Star)