Astronomers measure a star’s brightness using the apparent magnitude system, where lower values indicate brighter stars.
With an apparent magnitude of 1.79, Dubhe (Alpha [α] Ursae Majoris) is the second-brightest star in Ursa Major and the 33rd brightest star in the night sky. It is a spectroscopic binary and lies ...
Adhara, also known as Epsilon Canis Majoris, is a striking star in the constellation Canis Major. Shining as the second-brightest star in its constellation and the 22nd-brightest star in the night ...
Ursa Minor is a much smaller, dimmer constellation than the much more well-known Ursa Major—the Great ... t a particularly bright star (it's actually only the 48th brightest star in the night ...
Nearby will be orangey Aldebaran, the brightest star in the constellation of Taurus and about 65 light-years from the solar system. Ursa Minor and Ursa Major are home to two galaxies that look ...