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October 14, 2005"Why doesn't the moon fall down?" (Ask an Astronomer)PlayThis 'Ask an Astronomer' episode explains how orbits work....moreShareView all episodesBy NASA's Spitzer Science Center / IPAC / NASA / CaltechOctober 14, 2005"Why doesn't the moon fall down?" (Ask an Astronomer)PlayThis 'Ask an Astronomer' episode explains how orbits work....more
October 14, 2005"Why doesn't the moon fall down?" (Ask an Astronomer)PlayThis 'Ask an Astronomer' episode explains how orbits work....more