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Threats to Earth
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Astronomy
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Threats to Earth
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Contents
Threats to Earth
Objectives
Asteroid Ida with it’s moon Dactyl
Asteroids
Collisions?
Objectives
Halley’s Comet Reappears every 76 years Image from 1986
Hale-Bopp as seen from Craig County, VA in 1997
Hale-Bopp as seen from Alexandria, VA in 1997
Hale-Bopp as seen from Wyoming in 1997
Yerkes Observatory
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