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14.1: Interior of the Sun

Difficulty Level: At Grade Created by: CK-12
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Vocabulary

TermDefinition
chromosphere Thin layer of the Sun’s atmosphere that lies directly above the photosphere; glows red.
convection zone Layer of the Sun that surrounds the radiative zone where energy moves as flowing cells of gas.
corona Outermost layer of the Sun; a plasma that extends millions of kilometers into space.
nuclear fusion The merging together of the nuclei of atoms to form new, heavier chemical elements; huge amounts of nuclear energy are released in the process.
photon A particle of light.
photosphere The visible surface of the Sun.
plasma A high energy, high temperature form of matter. Electrons are removed from atoms, leaving each atom with a positive electrical charge.
radiative zone Layer of the Sun immediately surrounding the core where energy moves atom to atom as electromagnetic waves.

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Difficulty Level:
At Grade
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Date Created:
Feb 24, 2012
Last Modified:
Aug 15, 2016
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SCI.ESC.923.1.L.1