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To date, astronomical observation data show the existence of planets similar to Earth (exoplanets), but the presence of civilizations there, in particular, by energy emissions or any information signals, is not observed. What conclusions can be drawn on this basis? |
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Новые книги авторов СИ, вышедшие из печати:
О.Болдырева "Крадуш. Чужие души"
М.Николаев "Вторжение на Землю"