Payback for Chicxulub!

from Walkabout the Galaxy · host Josh Colwell, Addie Dove, Hannah Sargeant

Humanity gets a bit of payback on asteroids for the rude destruction of the dinosaurs and almost all life on Earth 65 million years ago with the DART spacecraft's successful impact on a teensy-weensy asteroid. New research suggests the asteroids teamed up on Earth long ago, and that there were at least two major impacts to end the Cretaceous and the dinosaurs. Hot and barren Mercury may have significant deposits of solid ice at its poles, and we learn about photon rings around black holes. No giggling.

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This episode is 48 minutes long.

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This episode was published on September 28, 2022.

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