Why Wasn't the Russian Meteor Detected Before it Entered the Atmosphere?

21/02/2013 18:04

Posted on Feb 19, 2013 02:56:13 PM | William Cooke

This is the question that keeps cropping up, and it deserves an answer. Images are being posted showing the fragments and they look like ordinary chondrites of asteroidal origin. This material is dark, and not very reflective, ... [Read more] ...