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 Simple Answer: The color of a star's visible light indicates its surface temperature: a relatively cool star glows red (longer wavelength), and very hot ones glow bluish-white or even blue (shorter wavelengths).