This piece uses Google Earth along with an impact effects calculator to show you the damage that would be caused by different sized asteroids and comets. You can pick a city, enter an address, or just let it hit somewhere at random.
You'll be prompted to install the Google Earth web plugin if you don't already have it.
Our piece is based on this impact calculator, if you want to see more detail.
This site was developed by the Space Science Institute with funding from NASA and the National Science Foundation. Legal
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