A week after a meteor exploded over Russia on the same day that an asteroid swung closely past Earth, experts discuss how the potential threats posed by near-Earth objects should be addressed. Astronomers Donald Yeomans and John Tonry weigh in on how to keep the planet safe.
Russia Meteor Renews Focus on Asteroid Threats
By editor • Feb 22, 2013
Originally published on February 22, 2013 1:03 pm