CG 4 is a cometary globule located in the Gum Nebula. Its peculiar shape has earned it its unique names. It is called a "cometary globule" due to its tail resembling a comet, and specifically ...
Inside the bright but unassumingly named nebula Gum 55 lies a dark nebula — a rift of dust grains that absorb visible light — creating a swatch of darkness against the glow of bright gas.
This image spans an area in the sky equivalent to four full moons but is actually part of a much larger nebula called Gum 55. If you look closely, the wolf might even resemble a werewolf, its hands ...
The Bubble Nebula, or NGC 7635, is an emission nebula located 8,000 light-years away. This striking new image was captured by the NASA/ESA Hubble Space Telescope to mark its 26th year in space.