This is a Test: Asteroid Tracking Network Observes Close Approach http://ift.tt/2yalAsg This is a Test: Asteroid Tracking Network Observes Close Approach: A small space rock is being used by asteroid trackers around the world to test an international warning network. http://ift.tt/2g0x3ST Me http://ift.tt/2gsUNCG

This is a Test: Asteroid Tracking Network Observes Close Approach http://ift.tt/2yalAsg This is a Test: Asteroid Tracking Network Observes Close Approach: A small space rock is being used by asteroid trackers around the world to test an international warning network. http://ift.tt/2g0x3ST Me http://ift.tt/2gsUNCG

October 11, 2017

Me http://ift.tt/2gsUNCG

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