Halley's comet, Orionid meteor
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The Orionid meteor shower peaked on the nights of Oct. 21-23, delighting lucky stargazers with a gorgeous natural fireworks display as debris from Halley's Comet collided with Earth's atmosphere to create fiery shooting stars in the night sky.
Already in full swing, the Orionid meteor shower may have reached its peak overnight on October 20-21, but the show is still set to go on for another couple of days.