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Back-of-the-Envelope Calculations: Approaching Asteroid
Barb Tewksbury, Hamilton College
Question If asteroids careen through the solar system at 25 km/second, how far away would we have to detect one in order to have a year's notice to prepare for an impact, as was portrayed in the movie Deep ...

Back-of-the-Envelope Calculations: Collision with Asteroid
Barb Tewksbury, Hamilton College
Question We have located an asteroid heading directly for the Earth. It is now 1.6 million km away from the Earth, about 4 times the distance from the Earth to the Moon. The asteroid is travelling at 25 km/second. ...

What Does Meteor Size Have to Do with Crater Size?
Erik Tvedten
This field investigation involves student dropping various objects into various mediums to find answers to questions that they propose, dealing with meteors and craters.

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