The Winter Hexagon, also known as the Winter Circle, is a prominent winter asterism formed by seven stars prominent in the winter sky. These are Rigel in Orion, Aldebaran in Taurus, Capella in Auriga, Castor and Pollux in Gemini, Procyon in Canis Minor, and Sirius in Canis Major constellation. Sirius and Procyon are also part … [Read more…]
The Winter Triangle, or the Great Southern Triangle, is an asterism formed by three bright stars in three prominent winter constellations. These stars are Betelgeuse in Orion, Procyon in Canis Minor and Sirius in Canis Major constellation. The Winter Triangle is prominent in the night sky in the northern hemisphere during the winter months, from … [Read more…]
The Cone Nebula is a famous H II region located in the constellation Monoceros, the Unicorn. It lies at an approximate distance of 2,700 light years from Earth and is located in the Orion Arm of the Milky Way. The nebula is part of the larger star forming region around the Christmas Tree Cluster. The … [Read more…]
Canopus, Alpha Carinae, is the brightest star in Carina constellation and the second brightest star in the night sky. Canopus is fainter only than Sirius. The star is a supergiant or bright giant, yellowish-white in colour, with an apparent magnitude of -0.72. It is located at a distance of 310 light years from Earth. It … [Read more…]
Capella, also known as Alpha Aurigae or the Goat Star, is the brightest star in Auriga and the sixth brightest star in the sky. The only stars in the northern celestial hemisphere brighter than Capella are Arcturus in Boötes constellation and Vega in Lyra. The only other star visible from northern latitudes that is brighter … [Read more…]
Betelgeuse, Alpha Orionis, is the second brightest star in Orion constellation and the ninth brightest star in the sky. It is a supergiant star, distinctly red in colour, located at an approximate distance of 643 light years from Earth. It is an evolved star, one expected to explode as a supernova in a relatively near … [Read more…]
Sirius, also known as the Dog Star, α Canis Majoris (Alpha Canis Majoris), or Canicula, is the single brightest star in the night sky.