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Research Article: Stars and Early Stargazers

This encyclopedia article consists of approximately 19 pages of information about Stars and Early Stargazers.
This section contains 5,404 words
(approx. 19 pages at 300 words per page)
Purchase our Stars and Early Stargazers Encyclopedia Article

Stars and Early Stargazers

On a calm and dry night, when the sky is clear and moonless, a person standing in a field or on a hill miles from any source of light may be able to see with the unaided eye as many as three thousand stars. A star, like the Sun at the center of the solar system, is a hot, roughly spherical ball of gas that emits light and other forms of electromagnetic radiation as a result of nuclear fusion reactions in its core. (Nuclear fusion is the merging of two hydrogen nuclei into one helium nucleus, accompanied by a tremendous release of energy.) One of the fundamental objects in the universe, stars are composed mostly of hydrogen, the simplest and lightest of all chemical elements.

A large collection of stars, gas, dust, nebulae (clouds of dust and gas), and empty space all...

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This section contains 5,404 words
(approx. 19 pages at 300 words per page)
Purchase our Stars and Early Stargazers Encyclopedia Article
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