Kde končí Země a začíná vesmír? | Na ubrousek
Na ubrousek
Jan 4, 2022 15:00
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O tom, kde je hranice mezi Zemí a vesmírem. Hvězdy, planety i vesmírná stanice, jsou ve vesmíru, my jsme na Zemi. Kde končí Země a začíná vesmír?
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