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Ker Than
for National Geographic News
Published April 15, 2010
A large meteor blazed across the midwestern U.S. sky Wednesday night.
Igniting over Wisconsin, Iowa, Illinois, and Missouri around 10:15 p.m., local time, the fireball briefly turned night to green-tinged day and unleashed a sonic boom heard for hundreds of miles around.
Based on video of the fireball, astronomer Mark Hammergren thinks the meteoroidthe space rock that causes the meteor, or fireballmay have been up to six feet (1.8 meters) wide and weighed roughly a thousand pounds (453 kilograms) or more.
"Major," Green Meteor Lights Midwest Night Sky
Wisconsin, Iowa, Illinois, and Missouri always have all the fun!
Shhh, the test was not supposed to be anything like that. I must have misplaced a decimal point somewhere.