Seafloor topography in the Malaysia Airlines flight MH370 search area. Dashed lines approximate the search zone for sonar pings from flight data recorders, or black boxes. The black circle is the ... more 
Seafloor topography in the Malaysia Airlines flight MH370 search area. Dashed lines approximate the search zone for sonar pings from flight data recorders, or black boxes. The black circle is the first reported sonar contact on the east flank o less 
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LiveScience.com | Photo By Walter H.F. Smith and Karen M. Marks
Tue, May 27, 2014 2:30 PM EDT