The Red Rectangle Nebula, so called because of its red color and unique rectangular shape, is a protoplanetary nebula in the Monoceros constellation. Also known as HD 44179, the nebula was …

Jan 1, 2026 · The Red Rectangle nebula lies about 2,300 light years away towards the constellation of the Unicorn (Monoceros). The nebula is shown here in great detail as a reprocessed image from …

Jun 7, 2010 · The star HD 44179 is surrounded by an extraordinary structure known as the Red Rectangle. It acquired its moniker because of its shape and its apparent colour when seen in early …

Jan 24, 2024 · The Red Rectangle Nebula (HD 44179) is a protoplanetary nebula located approximately 2,300 light-years away in the constellation Monoceros. It is known for its unusually symmetrical …

Dec 4, 2015 · Its oddly colored light is probably the glow of organic molecules. The Red Rectangle is thus a historic entity whose unique shape and singular glow opened doors to previously unknown …

Dec 13, 2025 · Red Rectangle Nebula is a protoplanetary nebula that has a distance from Earth of 2,300.00 light years. It can be found in the constellation of Monoceros.

Aug 13, 2024 · The Red Rectangle Nebula, known as HD 44179, is a star similar to our Sun that’s nearing the end of its life, and has begun shedding its outer layers into space.

We present narrowband images of the Red Rectangle (RR) Nebula that reveal the distinct morphologies of this intriguing nebula in different optical emission bands.

Dec 6, 2019 · The Red Rectangle Nebula is a very peculiar (but not unique) structure around a binary system catalogued as HD 44179 in the constellation Monoceros. At least another such nebula is …

Jun 7, 2010 · The star HD 44179 is surrounded by an extraordinary structure known as the Red Rectangle. It acquired its moniker because of its shape and its apparent colour when seen in early …