Science Fact Finder | Space - What Does The Color Of A Star Indicate?

What does the color of a star indicate?

The color of a star is an indication of its brightness, temperature, and age. Stars are classified into groups called "spectral types." From oldest to youngest and hottest to coolest, the types of stars are:

...

		Temperature
Type	Color	Fahrenheit	Celsius
O	Blue	45,000-75,000	25,000-40,000
B	Blue	20,800-45,000	11,000-20,000
A	Blue-white	13,500-20,000	7,500-11,000
F	White	10,800-13,500	6,000-7,500
G	Yellow	9,000-10,800	5,000-6,000
K	Orange

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