December Birthstone The December birthstone is Blue Topaz. December Birthstone: Blue Topaz Birthstone Color: Blue As cool and inviting as a blue lake on a blistering summer day, December's birthstone is derived from the Sanskrit word tapas, meaning fire.
Auriga. The northern constellation of Auriga is a beautiful, large pentagon shape situated along the Milky Way. It is a curiosity because it has no Gamma star â it shares it with Taurus.
About this image. The Ring Nebula, M57, NGC6720. This true color picture was taken using Ektachrome film at the prime focus of the Kitt Peak 4m telescope on September 1st 1973. This is unusual: normally color images are made by combining black and white images taken through different colored filters. The Ring Nebula, also known as M57 or NGC 6720, is found in the constellation Lyra. A spherical shell of glowing gas surrounds a central hot star. The nebula was formed when the central star ejected perhaps as much as ten percent of its mass, over a period of some millions of years.