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There are four groups of stars on the H-R diagram about 90% of the stars are in the ?

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Answer:

90% of the stars are in the main sequence of HR diagram.

Step-by-step explanation:

H-r diagram or the Hertzsprung-Russell diagram shows the evolution of a stars life also known as the stellar evolution.

The four major group of stars on H-R diagram are:

  • Located on the uppermost right region of the graph, supergiants are the large, very bright and cool stars.
  • Giants are little smaller and dimmer than the Supergiants.
  • White Dwarfs are the smaller, dim but very hot stars.
  • Main Sequence includes the band of smaller stars.
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