What is an H-R diagram and what can we learn about a star’s location in one?

Applications and Investigations in Earth Science (9th Edition)
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ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
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What is an H-R diagram and what can we learn about a star’s location in one?

 

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The universe is all the time and space that includes all the galaxies, stars, planets, and all forms of energy and matter. There are almost 100 billion stars in the universe.
Stars are astronomical objects with a luminous spheroid of plasma that is held together by the action of gravity. Sun is the only star in the Solar system.

 

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