Rare Meteorite May Hold Clues to a Long-Lost Planet

Speedy Summary

• A meteorite named NWA 15915 was discovered in north-west Africa in 2023.
• This meteorite is not linked to any known large asteroids, the moon, Mars, or current planets in the solar system.
• Around 0.2% of meteorites that fall to Earth are considered outliers and do not neatly fit into known categories.
• The study suggests that these misfit meteorites may come from a Mercury-like planet destroyed early in solar system history.

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