The Earth-like Mars

Mars – a distant, extraterrestrial world, but it shares some surprising similarities with Earth. The rotation period is almost the same with 24 hours, 39 minutes and 21,67 seconds (as measured by astronomer William Herschel in 1777-1783), the planet possess an atmosphere and the surface shows periodic changes during a sequence of seasons.

It seems not surprising that naturalist depicted Mars for centuries as a living world…

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