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.

1	Age of the Universe	earthfacts.net	134
2	Big Bang	earthfacts.net	202
3	Comets	earthfacts.net	68
4	Cosmic Rays and the Van Allen Radiation Belts	earthfacts.net	93
5	Earth is Not That Huge	earthfacts.net	563
6	Earth's Orbit	earthfacts.net	694
7	Earth’s Galaxy, the Milky Way	earthfacts.net	255
8	Earth’s Moon	earthfacts.net	246
9	Earth’s Solar System	earthfacts.net	321
10	Facts About The Sun	earthfacts.net	721
11	First Image of the Earth from the Moon	earthfacts.net	536
12	How Many People Have Walked on the Moon?	earthfacts.net	472
13	How Scientists Measure Star Distances	earthfacts.net	158
14	Local Group of Galaxies	earthfacts.net	95
15	Manmade Objects Visible From Space	earthfacts.net	260
16	Meteor Dust on Earth	earthfacts.net	321
17	Moon Moving Away From Earth	earthfacts.net	480
18	Oceanography from Space	earthfacts.net	77
19	Orbits of Artificial Satellites	earthfacts.net	61
20	Protoplanet Theory and Earth’s Formation	earthfacts.net	268
21	Satellites in Geology	earthfacts.net	59
22	The Galactic Year: A Trip Around the Galaxy	earthfacts.net	431

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