[FOTZeiss] Russian Meteor Heard Round World Twice

[Glenn A. Walsh]

Russian Meteor Heard Round World Twice


The meteor that exploded over Chelyabinsk, Russia on February 15 
was so powerful that it sent out sound waves that traveled around the 
world twice.
 
http://spacewatchtower.blogspot.com/2013/07/russian-meteor-heard-round-world-twice.html


gaw


Glenn A. Walsh, Project Director,
Friends of the Zeiss < http://friendsofthezeiss.org >
Electronic Mail - < siderostat1989 at yahoo.com >
SpaceWatchtower Blog: < http://spacewatchtower.blogspot.com/ >
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