asteroid, but refuted a 2021 hypothesis that the dinosaur killer was likely a comet. "Comets come from very far from the sun, but they're mostly made out of ice and dust," Tissot said.

The dino killer was a rare clay-rich mudball ... chondrite signatures,” Goderis said. Therefore, the asteroid that killed the dinosaurs was probably a carbonaceous chondrite, an ancient space ...

An illustration of a large asteroid colliding with Earth on the Yucatan Peninsula in what is modern-day Mexico. 34,906 people played the daily Crossword recently. Can you solve it faster than others?