You could witness an annular solar eclipse tomorrow! (If you’re in Antarctica, that is. 🥶) Starting at 5:48 a.m. EST on Tuesday, Feb. 17 (that’s 6:48 p.m. local time at Antarctica’s Concordia Station), an annular solar eclipse will be visible over part of Antarctica. Annular eclipses occur when the Moon blocks the Sun but doesn’t appear large enough to cover the whole thing, leaving a “ring of fire” visible around the Moon. Places outside the path of annularity — including parts of Antarctica (