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Why is Earth Called a Blue Planet?
By BYJU'S Exam Prep
Updated on: September 25th, 2023
It is common knowledge that the solar system has 8 planets and the earth is the third planet from the sun. It is also the only planet in the solar system that supports life. But do you know why is the earth called the blue planet? Read further to know the answer.
Since almost three-fourths of the planet which is more than 70% of the surface is covered by large water bodies and oceans, it appears blue from space. This is why the earth is called the blue planet.
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Answer:
The reason why is the earth called the blue planet is because around 70% of the planet is covered by water
What’s more, the earth is the only planet in the solar system which has water bodies and the water absorbs light from the sun and reflects it back. When it reflects the white light from the sun, the light’s colour changes to blue. This is why is the earth called the blue planet.
Even Neptune is sometimes referred to as blue but for a different reason. It is called blue because of the presence of ice on the planet.
Summary:
Why is the Earth Called the Blue Planet?
The main reason why is the earth called the blue planet is that the surface of the earth is mostly covered with different water bodies. Almost 70% or three-fourths of the planet is covered by water bodies making it appear blue from outer space.
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