To find the videos I showed in class and more, go to https://www.youtube.com/and search on Russian Meteor.

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NASA basic facts about comets: http://www.kidsastronomy.com/comets.html

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If you are interested in the topic, search on the internet for additional sites including information about the search for, and possible deflection of objects threatening Earth​

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NASA basic facts about meteors: http://www.kidsastronomy.com/meteorites.htm​

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Meteors and Comets