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You are reading an older version of this FlexBook® textbook: CK-12 Earth Science Concepts For High School Go to the latest version.

14.1: Interior of the Sun

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

chromosphere

chromosphere

Thin layer of the Sun’s atmosphere that lies directly above the photosphere; glows red.
convection zone

convection zone

Layer of the Sun that surrounds the radiative zone where energy moves as flowing cells of gas.
corona

corona

Outermost layer of the Sun; a plasma that extends millions of kilometers into space.
nuclear fusion

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

photon

A particle of light.
photosphere

photosphere

The visible surface of the Sun.
plasma

plasma

A high energy, high temperature form of matter. Electrons are removed from atoms, leaving each atom with a positive electrical charge.
radiative zone

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:

Jun 24, 2015
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SCI.ESC.923.1.L.1

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