Conceptual Physics (12th Edition)

Published by Addison-Wesley
ISBN 10: 0321909100
ISBN 13: 978-0-32190-910-7

Chapter 4 - Think and Explain: 88

Answer

Grains of sand moving through the atmosphere burn up because of fluid friction. Heat is generated when friction acts (try rubbing your hands together to feel this effect), which creates the shooting star.
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