Why does the earth appear blue when seen from space?

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Hey mate here's your answer ....Earth is the only planet in our solar system that has a large amount of liquid water. About 74% of the surface of Earth is covered by liquid or frozen water. Because of this, people sometimes call it 'blue planet'. Because of its water, Earth is home to millions of species of plants and animals.

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I can go then I will tell you how the earth look like

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Planet Earth has been called the 'Blue Planet' due to the abundant water on its surface. ... Liquid water covers most of the surface of our planet.

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Why does the Earth appear blue when seen from space?
The Earth appears blue when seen from space due to a combination of factors related to its atmosphere and surface characteristics.

1. Rayleigh Scattering:
- The primary reason for the blue appearance of Earth is Rayleigh scattering. This phenomenon occurs when sunlight reaches the Earth's atmosphere and is scattered in all directions by gas molecules and particles in the air.
- Shorter wavelengths of light, such as blue and violet, are scattered more effectively than longer wavelengths like red and yellow. This causes the blue light to dominate the scattered light we see from space.

2. Ocean and Water Bodies:
- Another significant factor contributing to Earth's blue appearance is the presence of large water bodies. The oceans cover about 71% of the Earth's surface, and their blue color reflects and amplifies the blue light scattered by the atmosphere.
- The deep blue color of the oceans combined with the blue sky above creates a unified blue appearance when viewed from space.

3. Atmospheric Composition:
- The Earth's atmosphere contains gases like nitrogen and oxygen, which do not absorb much sunlight in the visible spectrum. This allows the sunlight to pass through and interact with the Earth's surface, contributing to the overall blue hue.

4. Human Perception:
- Lastly, the human eye is more sensitive to blue light compared to other colors, which also influences our perception of Earth's blue appearance from space.
In conclusion, the Earth appears blue when seen from space due to the scattering of sunlight by the atmosphere, the presence of large water bodies reflecting blue light, the composition of the atmosphere, and human visual sensitivity to the color blue.

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