Editorial: Celestial fireball

Published in The Hindu on March 2, 2013 The 2012 DA14 asteroid tracked in advance did not harm us; it skimmed past nearly 27,600 km from the Earth on February 15. But the same day, a meteor, unconnected with 2012 DA14, came out of the blue and exploded over Chelyabinsk, Russia at 9.25 am local … Continue reading Editorial: Celestial fireball