A disappearing plane and a disease's sudden spread. Legalizations, celebrations â and the inexplicable attraction of a dumped bucket of ice water. These are some of the stories that dominated 2014. Now we want your choices.
The brightest star, as viewed from Earth, is Sirius, and it appears bluish-white to the human eye. It is classified as an A1Vm star and shares the color spectrum with other class-A stars.
The star as seen from Earth is actually a triple star system, with the primary star (Rigel A) a blue-white supergiant of absolute magnitude â7.84 and around 120,000 times as luminous as the Sun.