James Webb Space Telescope finds water ice on ringed asteroid Chariklo ‘by remarkable luck’
The most complete plans need a pinch of luck, even in space. In October 2022, the James Webb Space Telescope (JWST or Webb) looked like Chariklo, a tiny ringed asteroid, eclipsed a star. This event, called an occultation, marked a first for Webb. At the end of the month, Webb turned back to Chariklo and …