Fallout from the Chelyabinsk fireball encircled Earth

Fallout from the Chelyabinsk fireball encircled Earth

Russian Meteor Explosion's Dust Lingered for Months
http://news.discovery.com/space/asteroids-meteors-meteorites/russian-meteor-dust-lingered-130819.htm
http://www.redorbit.com/news/space/1112924536/nasa-tracks-debris-field-russian-meteor-081513/

Fallout from the Russian fireball encircled Earth,
research shows (The meteor that exploded near
Chelyabinsk, Russia on February 15 created a
mushroom cloud of microscopic dust grains that
spread across the sky, encircling the planet within
four days.) by Liz Fuller-Wright, The Christian
Science Monitor, August 19, 2013
http://www.csmonitor.com/Science/2013/0819/Fallout-from-the-Russian-fireball-encircled-Earth-research-shows

The paper:

Gorkavyi, N., D. F. Rault, P. A. Newman, A. M.
da Silva, and A. E. Dudorov, 2013, New stratospheric
dust belt due to the Chelyabinsk bolide. American
Geophysical Union.
http://onlinelibrary.wiley.com/doi/10.1002/grl.50788/abstract

Yours,

Paul H.