Nov 5, 2019 · This nebula has many colors. Astronomers know that the orange color is hydrogen, the red color in the nebula is sulfur, and the green color is oxygen. When you think about a nebula, you can think of it it two ways: a nebula is a giant cloud of dust and gas in space, and a nebula is the place where stars are formed and born.

Oct 3, 2019 · A typical diffuse nebula is a few hundred light-years across. (NGC 2264 shown; see also the Horsehead Nebula) Planetary Nebulae. Planetary nebulae are shells of gas thrown out by some stars near the end of their lives. Our Sun will probably produce a planetary nebula in …

Aug 17, 2020 · The Red Rectangle Nebula. The Red Rectangle Nebula, also known as HD 44179, is a protoplanetary nebula located at around 2.3-kilo light-years away from us. It has an apparent magnitude of 9.02. The star situated in the center of the nebula is a binary system. NGC 2232. NGC 2232 is a bright open cluster centered on the star 10 Monocerotis.

Nov 14, 2019 · Up until the early 1900’s, it was believed that the Andromeda was a nebula within the Milky Way galaxy. In fact, it was generally believed that all of the universe was contained within our galaxy. In fact, it was generally believed that …

Oct 2, 2019 · NGC 2264.1 (Cone Nebula) AAT 60k jpg (David Malin) NGC 2346. BB 5k jpg NGC 2392 (Eskimo Nebula) NOT 104k gif BB 5k jpg NGC 2440 HST 323k gif; HST 45k jpg BB 5k jpg. NGC 2610. BB 5k jpg NGC 3324 (Keyhole Nebula) NOAO 120k jpg NGC 3242 (The Ghost of Jupiter) BB 5k jpg. NGC 3372 (Eta Carina Nebula, Keyhole Nebula, Homunculus Nebula) AAT …

Sep 10, 2020 · Corona Australis Nebula. The Corona Australis Nebula is a bright reflection nebula, located at around 420 light-years away from us. This nebula is formed by several bright stars that are caught up in a dark cloud of dust, and this cloud is also a star-forming region, with clusters of young stars embedded within it.

Jul 14, 2020 · This nebula can be found a third of a degree from the Horsehead Nebula. NGC 2023 is around 1,467 light-years away from Earth. Monkey Head Nebula. The Monkey Head Nebula, designated as NGC 2174, is an emission nebula classified as an H II region. It is associated with the open cluster NGC 2175, also located in Orion.

Jun 11, 2020 · A star that has fewer than 8 solar masses will never start fusion in its degenerate core. However, at the end of its second phase, the star will eject its outer layers, forming a planetary nebula, and having its core exposed, ultimately becoming a white dwarf. Location. Red giant stars are spread across the universe.

Feb 4, 2020 · Eta Carinae is located in the constellation of Carina. Eta Carinae is engulfed by the Homunculus Nebula. This nebula is embedded within the much larger Carina Nebula, a large star-forming H II region. Carina was part of a larger constellation called the Argo Navis – this constellation represented the ship of Jason and the Argonauts.

Aug 6, 2020 · The Orion Nebula is located under Orion’s Belt, the Horsehead Nebula is in the vicinity of the Orion Molecular Cloud Complex, while the Cone Nebula and the Rosette Nebula in Monoceros are also within the Winter Hexagon. A line extended from Betelgeuse to Procyon leads the way to the Rosette and Cone nebulas.