What Is a Nebula? | Facts, Definition, What Are They?, Types
2019年11月5日 · 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.
Nebulae Facts For Kids | What?, Formation, Importance, Size, …
The biggest Nebula ever discovered is the Tarantula Nebula. At first, it was thought to be a star, but later on, in 1751, it got its proper recognition. The Tarantula Nebula has an apparent magnitude of +8, and it is 160,000 light-years away.
Types of Nebulae | Galaxies, Globular & Open Clusters - The Nine …
2019年10月3日 · 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 about 5 billion years.
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The Origin of the Solar System l The Big Bang - The Nine Planets
2019年9月25日 · At about this time, about 1 million years after the nebula cooled, the star would generate a very strong solar wind, which would sweep away all of the gas left in the protoplanetary nebula. If a protoplanet was large enough, soon enough, its gravity would pull in the nebular gas, and it would become a gas giant.
Perseus Constellation | Facts, Information, History, Location & Stars
2020年9月10日 · The star Menkhib / Xi Persei makes the California Nebula fluorescent, due to its energy. It nebula is named California since it transits in the zenith in central California as the latitude matches the declination of the object. NGC 1333. NGC 1333 is a reflection nebula located at around 967 light-years away from us. It has an apparent magnitude ...
Crab Nebula - The Nine Planets
2019年10月2日 · Home » General » Crab Nebula. October 17, 2019 October 2, 2019. NGC 1952 Crab Nebula M 1.
Horsehead Nebula - The Nine Planets
2019年10月2日 · The dark nebula that forms the Horsehead itself is known as Barnard 33 (B 33). The red background is the emission nebula IC 434, the reflection nebula NGC 2023 and the emission nebula are NGC 2024 also visible. IC 434 is excited by UV light from Sigma Orionis. The dark lanes in NGC 2024 may be part of the same dark nebula that forms the Horsehead.
Monoceros Constellation | Facts, Information, Mythology, History ...
2020年8月17日 · 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.
Orion Constellation | Facts, Information, History & Definition
2020年7月14日 · The Barnard’s Loop nebula is around 150 light-years in radius, covering much of the constellation of Orion. It appears as a large arc centered on Messier 42. The loop is believed to be ionized by the stars located in the Orion Nebula. The Flame Nebula. The Flame Nebula is an emission nebula located at around 1,300 light-years away from us.