THE ADLER PLANETARIUM
'(<a href="http://www.j-archive.com/media/2004-10-11_DJ_06.jpg" target="_blank">Sarah of the Clue Crew stands outside the dome of the Adler Planetarium in Chicago.</a>) Weighing over a half ton, <a href="http://www.j-archive.com/media/2004-10-11_DJ_06a.jpg" target="_blank">this</a> visitor probably broke off from an asteroid before reaching earth 50,000 years ago'
a meteorite