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What is an emission nebula?

What is an emission nebula?

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**What is an emission nebula?** [Explanation about Emission Nebulas] An emission nebula is a cloud of ionized gas that emits light of various colors. The ionization of the gas, primarily hydrogen, is caused by high-energy photons from a nearby hot star. The emitted light is usually pink or red due to the presence of hydrogen alpha emission. Emission nebulas are often sites of star formation. An example of an emission nebula is the Orion Nebula. [Include diagrams or photographs of emission nebulas if available, with descriptions of key features such as regions where star formation is taking place.] **Interactive Learning Section** Consider including interactive elements such as simulations of ionizing photons interacting with gas clouds, or quizzes to reinforce the material. **Related Topics** - Types of Nebulae: Reflection, Dark, and Planetary - The Lifecycle of Stars - How Spectroscopy is used to Study Nebulae [End of Section]
Transcribed Image Text:**What is an emission nebula?** [Explanation about Emission Nebulas] An emission nebula is a cloud of ionized gas that emits light of various colors. The ionization of the gas, primarily hydrogen, is caused by high-energy photons from a nearby hot star. The emitted light is usually pink or red due to the presence of hydrogen alpha emission. Emission nebulas are often sites of star formation. An example of an emission nebula is the Orion Nebula. [Include diagrams or photographs of emission nebulas if available, with descriptions of key features such as regions where star formation is taking place.] **Interactive Learning Section** Consider including interactive elements such as simulations of ionizing photons interacting with gas clouds, or quizzes to reinforce the material. **Related Topics** - Types of Nebulae: Reflection, Dark, and Planetary - The Lifecycle of Stars - How Spectroscopy is used to Study Nebulae [End of Section]
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