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적색스테인
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uIxapBOnIADeF |
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| Have you got any ? http://fittor.top/kissporn/ kissporn SAM also determined that the soil water is rich in deuterium, a "heavy" isotope of hydrogen that contains one neutron and one proton (as opposed to "normal" hydrogen atoms, which have no neutrons). The water in Mars' thin air sports a similar deuterium ratio, Leshin said. |
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Mckinley |
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2020-04-18 15:52:48 |
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