Science
The world’s oldest impact crater may not actually be a crater – Salon
Is this 3 billion year old impact crater in Greenland just an illusion? Some researchers think so
Meteorites and comets have captured the public imagination for centuries. They inspire awe when we see them shoot across the night sky — and terror at the thought that maybe, just maybe, one of them will collide with our planet.
After all, scientists believe that a meteor or comet hitting Earth wiped out the dinosaurs 66 million years ago.
Yet that was far from the first large rock to collide with our world. Since 2012, some scholars have embraced the hypothesis published by scientists in the journal Earth…
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