Debris from Halley’s Comet lights up the sky with the Orionid meteor shower! 🌌 This meteor shower will be active from Sept. 26 to Nov. 22, and will peak on October 21. These are actually fragments from Halley’s Comet, which orbits the Sun every 76 years. As these comet remnants collide with Earth’s atmosphere at nearly 150,000 mph, friction causes them to heat up and streak across the sky. Scientists call the Orionids one of the most beautiful showers of the year, and the moonless night means i