Evidence for a cataclysm ~4.0-3.8 Gy ago
Evidence for a cataclysm ~4.0-3.8 Gy ago
Evidence for a cataclysm ~4.0-3.8 Gy ago
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Has the Solar System always been as now ?So far, you know thatMercury ia at 0,4 AU from the SunVenus at 0,7the Earth at 1Mars at 1,6Jupiter at 5,2Saturn at 9,6Uranus at 19Neptune at 30 UA.Has it always been so ????