Modern Marvels

Season 15 Episode 21

Crashes

Aired Wednesday 10:00 PM Jul 10, 2008 on The History Channel

Trivia

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  • Trivia

    • In 1996 an asteroid almost 1/3 of a mile wide passed within 280,000 miles of Earth, the largest observed object to come that close. It was discovered only four days before its close encounter with out planet.