Rare 'Ring of Fire' eclipse expected to cross Southern Hemisphere - UPI.com
UPI reports: "The sky above parts of Earth's Southern Hemisphere will be illuminated
Sunday in a 'ring of fire' during the first solar eclipse of 2017, NASA
The annular eclipse will be mainly visible near parts of the Southern
Hemisphere, including Chile, Argentina and Angola. Unlike a total solar
eclipse, an annular eclipse happens when the moon is too far from the
Earth to obscure the sun completely, leaving the sun's edges exposed
[...] On Aug. 21, a total solar eclipse is expected to cross the United States as the first in the contiguous U.S. in 40 years."