Look up the Wikipedia article, "Sirius", for more details. Briefly, it is: the brightest star in the sky (however, some planets, which also look like stars, are brighter); 8.6 light-years away; a double star; one of the components (Sirius B) was the first white dwarf to be discovered.
No, Sirius is not an asteroid. Sirius is a binary star system consisting of the brighter star, Sirius A, and its companion, Sirius B, which is a white dwarf star. It is the brightest star in the Earth's night sky.
Sirius is actually a binary star system.Sirius A is a type A1V star so has a colour of Blue White -> BlueSirius B is a white dwarf.
Yes - Sirius is a blue-white star - the hottest type of star there is.
The shiniest star in the sky is Sirius, also known as the Dog Star. It is the brightest star in Earth's night sky and is located in the constellation Canis Major. Sirius is a binary star system, with the main star being Sirius A and its companion being Sirius B.
Sirius is a binary star system Sirius A and Sirius B.The distance separating Sirius A from B varies between 8.1 and 31.5 AU. (See related question).
the dog star is called sirius and is located south west of Orion belts in the southern hemisphere
Sirius is larger than Algol. Sirius is a binary star system with Sirius A being the larger star with about twice the mass of the Sun, while Algol is a triple star system with the main star being smaller than Sirius A.
Yes, Sirius is quite big while Barnard's star is small.
It is not real. Sirius is a two-star system containing only Sirius A and Sirius B.
No. Sirius is the brightest star in Earth's night sky, but how bright a star appears is a product of its actual brightness and its distance from us. Sirius itself is actually two stars with Sirius A emitting the vast majority of the system's light. Sirius A is a fairly large star, but others are much larger.
Sirius is the brightest star in the night sky, but the brightest overall is the sun.
No, Sirius is not the North Star. The North Star, also known as Polaris, is located closest to the north celestial pole and serves as a guide for navigational purposes. Sirius is the brightest star in the night sky and is part of the constellation Canis Major.