‘Ring of Fire’ Solar Eclipse Will Cross South America and Africa on Sunday by NICHOLAS ST. FLEUR

By NICHOLAS ST. FLEUR Known as an annular eclipse, it occurs when the moon moves in between the sun and the Earth but is too far to completely block the sun as it would during a total solar eclipse. Published: February 23, 2017 at 07:00PM from NYT Science http://nyti.ms/2lODIng