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AI discovers over 27,000 overlooked asteroids in old telescope images


"The key to protecting Earth from being hit by asteroids is knowing where all these are."

In fact, AI tools designed for asteroid searches are already approaching levels attainable by humans, Lu said: "I think we're gonna quickly surpass that over the next few weeks." The algorithm Lu's team developed, known as Tracklet-less Heliocentric Orbit Recovery, or THOR, analyzed over 400,000 archival images of the sky maintained by the National Optical-Infrared Astronomy Research Laboratory, or NOIRLab. Just two weeks ago, for instance, citizen scientists spearheaded training of an algorithm that led to the discovery of 1,000 new asteroids in archival images clicked by the Hubble Space Telescope.

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Photo of old telescope images

old telescope images

Photo of overlooked asteroids

overlooked asteroids