Orionid meteor shower: When and where to spy the fall show in the sky | USA TODAY

The Orionids become visible each October as Earth passes through the dusty, ice-filled debris trail of Halley's comet.

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"The Orionids are popular among stargazers because all of its individual shooting stars are fragments of the most famous comet of all time, Halley's Comet," Slooh astronomer Bob Berman said.

Though the meteors will emanate from the eastern horizon, they will streak across the entire sky and will be visible from anywhere on Earth, according to NASA. By dawn, they should be high in the Southern sky, Sky and Telescope said. From a dark site, you might see a maximum of about 10 to 15 meteors per hour, said Bruce McClure of EarthSky.

The meteors that streak across the sky are some of the fastest and brightest among meteor showers because the Earth is hitting the stream of particles almost head-on, according to Space.com. As the comet moves through space, it leaves debris in its wake that strikes Earth’s atmosphere most fully around Oct. 20-22, each year. Although the comet itself is nowhere near Earth, we're now intersecting the comet’s orbit.

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