Astronomers using the powerful eye of the James Webb Space Telescope have spotted a previously unknown moon whirling around Uranus, according to NASA . The discovery boosts the number of moons known to be orbiting the ice giant to 29 — and there are likely more waiting to be found.

The moon came to light through a series of 40-minute long-exposure images taken by Webb’s Near-Infrared Camera on February 2.

“It’s a small moon but a significant discovery, which is something that even NASA’s Voyager 2 spacecraft didn’t see during its flyby nearly 40 years ago,” said Maryame El Moutamid, a lead scientist in the Southwest Research Institute’s Solar System Science and Exploration Division in Boulder, Colorado, in a statement.

El Moutamid is the principal investigator of a Webb program dedica

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