die Erde im Vergleich
20 March 2008 | Das Leben | 0
Left: All the water in the world (1.4087 billion cubic kilometres of
it) including sea water, ice, lakes, rivers, ground water, clouds, etc.
Right: All the air in the atmosphere (5140 trillion tonnes of it)
gathered into a ball at sea-level density. Shown on the same scale as
the Earth.
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