Andromeda, Milky Way
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Orion Nebula
Eagle Nebula
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The names of two nebulae are the Orion Nebula and the Crab Nebula.
The two most well-known nebulae are the Orion Nebula and the Crab Nebula. The Orion Nebula is one of the brightest nebulae and is visible to the naked eye, located in the Orion constellation. The Crab Nebula is the remnant of a supernova explosion observed by Chinese astronomers in 1054 AD, located in the Taurus constellation.
Two types of nebulae are emission nebulae and reflection nebulae. Emission nebulae are made up of ionized gas that emits light of various colors, while reflection nebulae are made up of dust particles that reflect light from nearby stars.
The two main types of bright nebulae are emission nebulae, which emit light from ionized gases, and reflection nebulae, which reflect light from nearby stars. Emission nebulae are usually red or pink in color, while reflection nebulae appear blue due to scattering of light.
The main types of nebulae are emission nebulae, reflection nebulae, dark nebulae, and planetary nebulae. Emission nebulae glow with their own light, often due to hydrogen gas being ionized by nearby stars. Reflection nebulae reflect light from nearby stars. Dark nebulae are dense clouds of dust that obscure light. Planetary nebulae are the ejected outer layers of dying stars.