A “ring of fire" eclipse of the sun will cross the Pacific and the tips of Argentina and Chile. During Wednesday's annular solar eclipse, the moon will obscure all but a ring-shaped sliver of the sun.

For the first time since April’s solar eclipse—during which eleven contiguous states in the U.S. were in the path of totality—some will be able to see another eclipse this coming week.This noteworthy event,

While April's total solar eclipse wowed millions, October's astronomical spectacle will only be viewed by a lucky few.