http://tinyurl.com/lek6f7l
August 10, 2013 - Washington Post
As sky-watchers marvel at the beauty of the annual Perseid meteor shower
— set to peak late Sunday and early Monday — astronomers will be
thanking their shooting stars for another reason. Airborne pollution
from vaporized meteors is proving crucial for the next generation of
super-sharp snapshots of exotic moons and distant galaxies.
...