NATIONAL AIR AND SPACE MUSEUM-Smithsonian Institution
Earth Today
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OUR DYNAMIC PLANET
 
[earth from space]
Our Earth is unique among the planets. Liquid water covers 70% of the surface and the atmosphere is rich in water vapor. It is a geologically active planet. Yet Earth's most unique characteristic is the presence and diversity of life. The animation to the left shows the Earth as viewed from the Apollo 17 mission on its way to the Moon.


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