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➠ A dying star which is in the final stages of stellar evolution is known as Red Giant.
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# It's has a mass which is less than or equal to about 8 times of the mass of Sun. It grows larger as Its outer layers start to expand due to the rapid fusion of helium into heavier elements.
# They have a radii of tens to hundreds times larger than that of the Sun.
# Their outer envelope is lower in temperature which gives them a reddish-orange hue.
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