Location of the Chesapeake Bay Impact Structure and drill site. The location in relation to eastern USA is shown in the inset. The Chesapeake Bay impact crater is the largest known crater in the ... more 
Location of the Chesapeake Bay Impact Structure and drill site. The location in relation to eastern USA is shown in the inset. The Chesapeake Bay impact crater is the largest known crater in the United States. less 
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SPACE.com | Photo By Cockell et al., 2012
Fri, Apr 27, 2012 6:15 AM EDT