Sirius - Wikipedia
Sirius is a binary star consisting of a main-sequence star of spectral type A0 or A1, termed Sirius A, and a faint white dwarf companion of spectral type DA2, termed Sirius B. The distance between the two varies between 8.2 and 31.5 astronomical units as they orbit every 50 years.
See Sirius, the brightest star in the night sky - EarthSky
Feb 2, 2024 · Sirius is the sky’s brightest star. You’ll always know it’s Sirius because Orion’s Belt – 3 stars in a short, straight row – points to it. Also, as seen from the latitudes like those in...
Sirius | Facts & Location | Britannica
Sirius, brightest star in the night sky, with apparent visual magnitude −1.46. It is a binary star in the constellation Canis Major. The bright component of the binary is a blue-white star 25.4 times as luminous as the Sun.
Sirius (α CMa): Star System, Facts, Location, Constellation - Star …
Sep 9, 2019 · Sirius, Alpha Canis Majoris (α CMa), is the brightest star in the night sky and one of the nearest star systems to Earth. It has an apparent magnitude of -1.46 and lies at a distance of only 8.6 light years from the Sun. It is also known as the Dog Star, in reference to its position as the luminary of the constellation Canis Major, the Greater ...
Sirius: The brightest star in Earth's night sky | Space
Oct 24, 2023 · Sirius, also known as the Dog Star or Sirius A, is the brightest star in Earth's night sky. The name means "glowing" in Greek — a fitting description, as only a few planets, the full moon...
Sirius is the Brightest Star in the Sky - AstroBackyard
Sirius is known for being the brightest star in the night sky and is nearly twice as bright as the next brightest star, Canopus with a magnitude of -1.46. Sirius is also known as the ‘Dog star’ because it is part of the constellation Canis Major, which is Latin for “the greater dog.”
Meet Sirius, the Brightest Star - Sky & Telescope
Mar 27, 2018 · Meet the brightest star near Earth: Sirius. Find the "Dog Star" in late winter evenings or in the east pre-dawn hours during the "dog days of summer." There's more to this star than meets the eye.
Sirius Star – Facts About The Brightest Star From Earth
Sirius, also known as Alpha Canis Majoris, is the brightest star in the constellation of Canis Major, located in the southern sky, and overall the brightest star in the night sky. It has an apparent magnitude of 1.46, making it twice as bright as Canopus, the second brightest star in Canis Major.
Sirius Star Facts - Type, Color, Myths, & Location - Astronomy Trek
Apr 12, 2015 · Sirius, a blue-white star 8.16 light distant, is the brightest star in the sky and radiates more than 20 times the energy of our own Sun.
Sirius A - Astronomopedia
Aug 1, 2023 · Sirius A, also known as the Dog Star, is one of the brightest stars visible in Earth's night sky. It holds the distinction of being the second brightest star overall, situated within the constellation Canis Majoris.