Globular Clusters are collections of stars that orbit a galactic core. They are spherical in shape due to gravity tightly bounding the stars together. These star clusters are fairly common, with over 150 known
In April 1990 NASA launched the Hubble Space Telescope. Above the distortion of the atmosphere, Hubble has an unobstructed view of the universe. In 1995 Hubble captured an image containing 3 pillars of gas
In the last post, M27: The Dumbbell, I wrote about a stars’ finite life. M27 is a planetary nebula, the result of a dying star of intermediate size. A massive star goes from star
Stars have a finite life, eventually they will end. A massive star goes from star to red supergiant, followed by a supernova. In a supernova ~75% of the star’s mass is ejected into space.