... The Helix Nebula from CFHT . ... One day our Sun may look like this. The Helix Nebula is the closest example of a planetary nebula created at the end of the life of a Sun-like star. ... The Horsehead Nebula is one of the most famous nebulae on the sky. It is visible as the black indentation to the red emission nebula seen just to the right of center of the above photograph. ... In the heart of the Rosette Nebula lies a bright open cluster of stars that lights up the nebula. ...