This time-lapse photograph was taken by astronomer Robert Weryk from near his home in London, Ontario, Canada, after NASA’s Scout system forewarned him about the entry of 2022 WJ1 on Nov. 19, 2022. The resulting fireball streaked directly overhead and continued east until it broke up.
This time-lapse photograph was taken by astronomer Robert Weryk from near his home in London, Ontario, Canada, after NASA's Scout system forewarned him about the entry of 2022 WJ1 on Nov. The resulting fireball streaked directly overhead and continued east until it broke up. WJ1 was a tiny asteroid on a collision course with Earth. But astronomers saw it coming, and NASA's Scout impact hazard assessment system calculated where it would hit. In the early hours of Saturday, Nov. 19, the skies over southern Ontario, Canada, lit up as a tiny asteroid harmlessly streaked across the sky high in Earth's atmosphere, broke up, and likely scattered small meteorites over the southern coastline of Lake Ontario. The fireball wasn-t a surprise.
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