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Mars has long been called the RED planet because of how it appears in earths night sky.
Mars is actually brown- NASA used filters to change the colour to red. --- To the naked eye, Mars usually appears a distinct yellow, orange, or reddish color, and varies in brightness more than any other planet as seen from Earth over the course of its orbit. However the actually colour of Mars is closer to butterscotch, the redness seen is actually just dust in the planets atmosphere; considering this NASA's Spirit rover has taken pictures of a greenish-brown, mud-coloured landscape with blue-grey rocks and patches of light red coloured sand." From:- The Book of General Ignorance,

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11y ago

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