We now know about half a million more asteroids in the asteroid belt
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A pair of astronomers have found and categorised half a million new asteroids lurking in old data. Figuring out exactly where these objects came from could be crucial to understanding the early solar system.
Alexey Sergeyev and Benoit Carry at Côte d’Azur University in France found these objects by sifting through images from the Sloan Digital Sky Survey (SDSS). This survey, which uses a telescope at the Apache Point Observatory in New Mexico, took images of a huge swathe of the sky from …
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