Mystery 'Nadir' crater was potentially caused by a relative of the dinosaur-killing asteroid Chicxulub - ABC News

The ocean floor is famously less explored than the surface of Mars. And when our team of scientists recently mapped the seabed, and ancient sediments beneath, we discovered what looks like an asteroid impact crater.

The ocean floor is famously less explored than the surface of Mars. And when our team of scientists recently mapped the seabed, and ancient sediments beneath, we discovered what looks like an asteroi… [+6568 chars]

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