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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A LATE HEAVY BOMBARDMENT ?The Moon's bombardment was much more intence 3,6 Giga years<strong>ago</strong> than now.Problem: what wasits temporalevolution ?Monotonic decrease,or possible peaks ??Cataclysmic LHB(Tera, Ryder, Kring,Cohen, Koeberl..)Slowly fading LHB(Neukum, Hartman..)