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Planetary science

Planetary science

Simulations show that asteroid impacts would destroy evidence for relic shorelines on Mars

30 Jun 2022
Artist's impression of Mars 4 billion years ago
Current debate: some claim that certain features on Mars are ancient shorelines – a central plank in the argument that oceans had graced the Red Planet billions of years ago. (Courtesy: ESO/M Kornmesser)
If ancient shorelines exist on Mars, they would be largely scoured from view by billions of years of

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