A new map shows an asteroid barrage across planet Earth . Meteor blast at local school . NASA mapping program shows location of asteroid ##s . Asteroid in Moscow , Russia , was largest to impact planet during mapping . NEO Program helps detect potentially dangerous space rocks .
A new map shows an asteroid barrage across planet Earth . NASA mapping program shows location of asteroid ##s . Asteroid in Moscow , Russia , was largest to impact planet during mapping . NEO Program helps detect potentially dangerous space rocks .