Aqua MODIS image of the Pavlof ash plume, seen on November 15, 2014.
Aqua MODIS image of the Pavlof ash plume, seen on November 15, 2014.
Sign up for our weekly newsletter and unlock one more article for free.
View our Privacy Policy
Want more?
Keep reading for as low as $1.99!
Already a subscriber?
Find my Subscription
Save up to 40% off the cover price when you subscribe to Discover magazine.