Fireball lights up Midwest

Posted by Karri Ferron
on Thursday, April 15, 2010

Astronomy magazine’s home region got a surprise around 10 last night when a bright green flash of light lit up the skies of Wisconsin and surrounding states. Stargazers in the area reported seeing one big ball of light as well as other smaller ones.

The fireball meteor was captured at 10 p.m. CDT April 14 from a web cam atop the Atmospheric, Oceanic and Space Science Building in Madison, Wisconsin. University of Wisconsin - AOS/SSEC
What they witnessed was a fireball meteor. Fireballs are extremely bright meteors, generally brighter than magnitude –4, and bright enough to light up the whole night sky. Meteors occur when rocks orbiting the Sun — also known as meteoroids — burn up in Earth’s atmosphere. The fireball was probably an early Lyrid meteor, which originates from Comet Thatcher (C/1861 G1) and peaks April 22. But it could also have been infalling satellite debris. The fireball also might have produced viable specimen on the ground, but it would be difficult to find in the densely covered Midwest region.

I unfortunately didn’t witness the event last night, but reports are beginning to trickle in on our Forums. If you were lucky enough to see the fireball, please share your experience below. Even better, if you were able to capture the event, you can submit still images to our Online Reader Gallery or send image or video to editor@astronomy.com. So far, the best video I’ve seen comes from WISN-12 in Milwaukee. CNN also has a video from Iowa and Wisconsin witnesses.

The Astronomy staff has been abuzz this morning as radio and TV stations as well as newspapers have called in and dropped by to learn more about the event from Senior Editor Michael E. Bakich and Editor David J. Eicher. Be sure to look for more updates by following us on Twitter and Facebook.

Update: Read Dave's interview about the meteor with the Chicago Tribune and watch his interview with TMJ4 in Milwaukee.

 

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