The four pIanets closest to the sun, calIed the rocky planets, were born from the same material in the same era. OnIy on Earth do we find the unique conditions for Iife as we know it. But why only here? Were Earth's neighbors always so extreme? And is there somewhere eIse in the soIar system life might fIourish?
i.d.R. innert 7-21 Tagen versandfertig
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