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Orion Nebula
Essay specific features
Written by:
Zachary W
Date added:
August 10, 2015
Level:
University
Grade:
B
No of pages / words:
4 / 947
Was viewed:
7351 times
Rating of current essay:
Essay content:
These high-temperature stars emit ultraviolet (UV) light that ionizes the surrounding hydrogen atoms into protons (H+) and electrons (e-). When the protons and electrons recombine, the electrons enter a higher energy level (n=3). Then, when the electron drops from the n=3 level to the n=2 level, an H??photon is emitted...
displayed 300 characters
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When the protons and electrons recombine, the electrons enter a higher energy level (n=3). Then, when the electron drops from the n=3 level to the n=2 level, an H??photon is emitted. 2 This photon has a wavelength of 6563 A, and therefore corresponds to the red portion of the visible spectrum. It is these H? photons which give the nebula the distinctive red color which we see...
displayed 300 characters
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