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A new study suggests that a small asteroid called 2022 RD2 could orbit Earth as a temporary second moon in less than 20 years, before potentially impacting Earth decades later.

AccuWeather

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36,651 views • 7 months ago •via X (Twitter)

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The event 12,900 years ago was just the beginning. Earth was passing through a particularly dense part of the Taurid meteor stream. Multiple impact episodes likely occurred over that 1,200-year period. The giant comet hypothesis suggests a massive comet entered the inner solar system 26 to 30,000 years ago... underwent hierarchical disintegration... littered its elliptical orbit with debris. Early in stream formation, debris isn't uniformly distributed. Clusters. Clumps. Earth could have crossed that stream multiple times. Several impact episodes spread across more than a millennium.

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