NASA's OSIRIS-REx spacecraft made a startling discovery shortly after arriving at its target, a 1614-foot-wide rock called Bennu: the asteroid was ejecting particles from its surface. While that's common behavior on icy comets, it's much rarer on ast…
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Researchers at the Finnish Meteorological Institute (FMI) presented a mission plan today at the European Planetary Science Congress that would allow scientists to observe hundreds of asteroids over the course of just a few years. Their plan is to sen…
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