The proportion of the universe's galaxies which can be seen from planet Earth is: D. approximately 10 percent.
A galaxy can be defined as a collection (group) of many billions of stars, that are existing independently or by themselves.
Generally, the greatest or largest number of stars are found in a galaxy.
However, it is only a small fraction of the universe's galaxies that can be seen from planet Earth, even though it contains many billions of stars.
The stars, galaxies and planets which can be seen which can be seen from planet Earth makes only 4 percent of the universe according to space researchers, referred to as astronomers.
In conclusion, the proportion of the universe's galaxies which can be seen from planet Earth is approximately 10 percent.
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