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Simulations cast doubt on unusual asteroid's 'dark comet' status
Simulations cast doubt on unusual asteroid's 'dark comet' status
In 2031, Japan's Hayabusa2 spacecraft will arrive at the near-Earth asteroid 1998 KY26: a tiny body that is accelerating in a way that astronomers have struggled to explain. Some studies have suggested that the asteroid is pushed along by water escaping from it as gas, making it an as-yet theoretical "dark comet."
phys.org/news/2026-11-simulations-unusual-asteroid-dark-comet.html