Asteroid Watch

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Fifty thousand years ago, the mile-wide Meteor Crater was formed when a meteorite 150 feet across smacked into Arizona. Is another like it headed our way? (
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Off I-40 on the road to Meteor Crater, AM 1610 advertises a visitors center at the rim, with a museum, gift shop, and sandwich counter, plus an RV park with a picnic area in the “beautifully landscaped” setting. If you understand what happened here 50,000 years ago, the radio message is surreal. “Meteor Crater,” the announcer says, drawing out the words for dramatic effect. “Experience the impact.”

Thanks. But no thanks.

Bruce Lieberman is a freelance science writer in Carlsbad, California. He writes about astrophysics, climate change, and other subjects.

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