The Red Rectangle Nebula, so called because of its red color and unique rectangular shape, is a protoplanetary nebula in the Monoceros constellation....

Horsehead Nebula Engraved Hourglass Nebula Lagoon Nebula Orion Nebula Pelican Nebula Red Square Nebula Ring Nebula Rosette Nebula Tarantula Nebula Gum catalog...

a planetary nebula. During this stage, the red giant star begins to slowly expel its outermost layers of material. A protoplanetary nebula usually glows...

behaviour of the red cells is shown to be in remarkable correspondence with the extended red emission observed in the Red Rectangle Nebula and other galactic...

The Ant Nebula CRL 618 - The Westbrook Nebula CRL 2688 – The Egg Nebula HD 44179 – The Red Rectangle Nebula MyCn18 – The Engraved Hourglass Nebula He2-104...

starting material for the earliest forms of life. Light emitted by the Red Rectangle nebula possesses spectral signatures that suggest the presence of anthracene...

for Red Rectangle", SIMBAD Astronomical Database, January 4, 2007 Wikimedia Commons has media related to Calabash Nebula. PIA04228: Rotten Egg Nebula, NASA...

The Orion Nebula (also known as Messier 42, M42, or NGC 1976) is a diffuse nebula situated in the Milky Way, being south of Orion's Belt in the constellation...

surrounded by a planetary nebula. Dubbed the Red Square Nebula due to its similarities to the Red Rectangle Nebula, the planetary nebula appears to be a nearly...

of anthracene and pyrene in the ultraviolet light emitted by the Red Rectangle nebula (no other such complex molecules had ever been found before in outer...