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College of Arts and Sciences Shooting stars

Dr. Universe: What are shooting stars made of?

Dr. UniverseIf you are anything like me, you probably like watching for shooting stars in the night sky. A shooting star, or a meteor, is usually a small rock that falls into Earth’s atmosphere.

When I went to visit my friend Michael Allen, a senior instructor of astronomy and physics at WSU, he told me a lot of shooting stars are no bigger than a pencil eraser.

“The earth is going to pass a random pebble once in a while and that will make a streak in the sky,” he said. » More …