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Emission Nebulae. By: Paul Jones and Antione Henderson. Characteristics. They are usually high in temperature with a red glow from a large amount of hydrogen. They are sites of recent and on going star formation & because of this the hydrogen atoms seem to be mostly ionized.

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Emission nebulae

Emission Nebulae

By: Paul Jones and Antione Henderson


Characteristics
Characteristics

  • They are usually high in temperature with a red glow from a large amount of hydrogen.

  • They are sites of recent and on going star formation & because of this the hydrogen atoms seem to be mostly ionized.

  • This also causes them to glow as they receive light and energy from stars.


The glow
The Glow

  • They glow different colors, if more energy is available more colors show because more kinds of elemental atoms are being heated up.

  • This can help astronomers to deduce the chemical composition.


Life cycle of stars
Life cycle of stars

  • Stars begin as a proto-star enveloped in a cloud of gas.

  • These clouds of gas are known as accretion disks and feed the early star.

  • The star then begins to condense and have controlled nuclear fusion.

  • After millions of years it suddenly “turns on” and spends the majority of its life as a star.

  • They will sometimes move away or they might even stay in the nebula.



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