Journey to the Moon by Cathy Hapka & Ellen Vandenberg
Author:Cathy Hapka & Ellen Vandenberg [Hapka, Cathy & Vandenberg, Ellen]
Language: eng
Format: epub
Publisher: Penguin Young Readers Group
Published: 2021-01-12T00:00:00+00:00
âMuch better,â Wallace said. He pointed. âWhatâs that?â
Something shiny was gleaming in the distance. We bounced over to take a look.
âI know what this is!â I said. âThe Apollo 11 astronauts left it here on purpose. Itâs called the Lunar Laser Ranging Retroreflector. Itâs their only science experiment thatâs still running. It reflects lasers from Earth to measure the distance between Earth and the moon. That helps scientists learn about stuff like gravity and the moonâs orbit.â
I explained more about how it all worked. After a moment, Wallace started making notes. I was glad to see that he was finally taking science seriously!
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