For best viewing, look toward the southern sky and plan to be outside at around 10 p.m. Monday night or 4 to 5 a.m. Tuesday morning in your local time, Lunsford advised. The Orionid meteor shower occurs when Earth passes through debris left over from the comet 1P/Halley, according to NASA.

The Orionid meteor shower, caused by debris from Halley's Comet, is visible in the sky this week.