Monday marked the beginning of the annual Lyrid meteor shower, EarthSky reported. Lasting for nine days — until April 25 — the shower is composed of debris from the comet Thatcher, whose orbit crosses Earth's around this time every year. The comet was last spotted in 1861, and its 415-year-long orbit means it won't return until 2276.
But while we earthlings won't get to see the full-on comet, we will get to see parts of it light up the sky. The Lyrids are named after the Lyra constellation, the closest one to where they typically appear in the night sky. They comprise one of the oldest observed meteor showers, with early records of the Lyrid meteor shower dating back to 687 B.C., Business Insider notes.
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