Please Explain: The Moon

The Leonard Lopate Show | Aug 22, 2013

We can see the moon is up there in the sky most nights, but how much do we really know about it? Dr. Juliane Gross, a research scientist in the American Museum of Natural History's Department of Earth and Planetary Sciences, tells us all about the moon--how it got there, why it orbits the earth, and what a blue moon—the kind of full moon we had on Tuesday—is.

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