9 World Chronicles

The Th’uban star. The traditional name of Alpha Draconis, Th’uban, means "head of the serpent." Th’uban, designation Alpha Draconis, is a binary star system in the constellation of Draco.  Draco is one of the largest constellations i...

Sirius is the brightest star in the night sky. 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 tw...