Answer :
More distant galaxies tend to have a larger infrared color ratio, but there are some exceptions.
What do you mean by Galaxy?
A galaxy is made up of gravitationally bound clusters of stars, stellar debris, interstellar gas, dust, and dark matter.
The word "galaxias" derives from the Greek word "galaxias," which means "milky," and refers to the Milky Way galaxy, which contains the Solar System.
Galaxies range in size from dwarfs with fewer than 100 million stars to the largest galaxies known—supergiant with one hundred trillion stars orbiting their respective galactic centers of mass.
Only a small percentage of the mass in a normal galaxy is visible in the form of stars and nebulae; the majority of the galaxy's mass is dark matter. Supermassive black holes are a typical component of galaxy cores.
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