Russia meteor virtually impossible to see coming

Current and planned efforts focus on larger objects

SATELLITE'S-EYE VIEW  A European weather satellite captured an image of the supersonic meteor as it penetrated the Earth’s atmosphere over Russia the morning of February 15. The meteor damaged buildings and caused an estimated 1,200 injuries.

EUMETSAT

Scientists have begun piecing together the characteristics of the meteor that exploded over Russia on the morning of February 15, using data from seismic instruments that track earthquakes and microphones designed to detect sonic booms from nuclear explosions.