A celestial body thought to be an ordinary space rock turns out to have a comet-like tail.
14 July 2026
A celestial body thought to be an ordinary space rock turns out to have a comet-like tail.
The behaviour of the interstellar object ’Oumuamua (artist’s illustration) could be caused by the same sort of outgassing processes seen on objects called dark comets. Credit: ESA/Hubble, NASA, ESO, M. Kornmesser/SPL
The discovery of a ‘dark comet’ lurking near Earth could open the door to finding more of these mysterious objects1.
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