Chelyabinsk Meteorites Reveal Evidence of Prehistoric Cosmic Collision
Meteorites from Russian explosion reveal signs of cosmic
crashes by Elizabeth Howell Space.com, NBC News
http://www.nbcnews.com/science/meteorites-russian-explosion-reveal-signs-cosmic-crashes-8C11358914
http://www.space.com/23112-russian-meteor-explosion-meteorites-cosmic-crashes.html
Insights from space rocks left after meteor exploded over
Russia, EarthSky , October 8, 2013
http://earthsky.org/space/insights-from-space-rocks-left-after-meteor-exploded-over-russia
Russian meteor was partially formed from hard to spot
'dark asteroid' material, The Telegraph, October 9, 2013
http://www.telegraph.co.uk/science/science-news/10366055/Russian-meteor-was-partially-formed-from-hard-to-spot-dark-asteroid-material.html
An earlier article is:
Russian Meteor Explosion: Space Rock Had Near-Misses
Before Impact by C. Moskowitz, SPACE.com, Aug. 26, 2013 ET
http://www.space.com/22536-russia-meteor-explosion-chelyabinsk-near-miss.html
Yours,
Paul H.
