What you need to know about the meteor that lit up Midwest sky last night

Dr. Mark Hammergren, astronomer for the Alder Planetarium along with Bill and Wendy. (WGN Radio)

Adler Planetarium Astronomer Dr. Mark Hammergren joined Bill and Wendy in the studio to talk all about the meteor that lit up the Midwest sky last night.

You can find Bill and Wendy on Twitter and on Facebook. The Bill and Wendy Show airs Monday through Friday from ten a.m. to noon, then streaming from noon to 1 p.m.