NASA calls this kind of celestial occurrence a "fireball event" Getty Residents of Mexico City are pondering the out-of-nowhere blinding light in the sky. Around 3 a.m. Wednesday, April 16 ...

Residents of Mexico City are pondering the out-of-nowhere blinding light in the sky. Around 3 a.m. Wednesday, April 16, Mexico's capital was illuminated by what appeared to be a fireball in the sky.