Space

Seen from space the most striking feature of the Earth is the predominance of white clouds in its atmosphere.

At any one time about half of the planet is shrouded in these white vortices. The clouds indicate humidity in the troposphere, 5 to 10km above the Earth's surface.

The large amount of water covering the planet is also very much in evidence, giving it a blue appearance in the gaps of cloud.

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Big Bang Written by Marcia Malory Hits: 12682
Comets Written by Marcia Malory Hits: 6101
Cosmic Rays and the Van Allen Radiation Belts Written by Marcia Malory Hits: 6179
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Earth's Orbit Written by Marcia Malory Hits: 7418
Earth’s Galaxy, the Milky Way Written by Marcia Malory Hits: 6975
Earth’s Moon Written by Marcia Malory Hits: 6879
Europa Written by Kate Dougherty Hits: 3923
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First Image of the Earth from the Moon Written by Marcia Malory Hits: 6014
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How Scientists Measure Star Distances Written by Marcia Malory Hits: 5269
Io: The Volcano Moon Written by Kate Dougherty Hits: 3948
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Terraforming Written by Kate Dougherty Hits: 3593
The Galactic Year: A Trip Around the Galaxy Written by Marcia Malory Hits: 5823