Mars is known as the Red Planet because the iron present in its soil oxidises to give it a reddish colour
The rusting of the iron minerals causes the atmosphere and the soil on Mars to appear Red in colour. As a result, Mars appears as a red star in the sky and due to its colour, the ancient Romans and Greeks named the planet after the god of war.
Which Planet is Also Known as Red Planet?
The answer to which planet is known as the red planet is Mars. This is because of the oxidising of the iron minerals or rusting of the soil. As a result, the soil and the atmosphere both start looking orangey-red which has led to the title of the Red Planet. Lastly, it appears as a red star when viewed from earth.
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