NASA’s James Webb Space Telescope has found a previously unknown moon orbiting Uranus. NASA announced the discovery on Tuesday, adding that the moon was first spotted on Feb. 2. Scientists estimate that the newly discovered moon is about six miles in diameter.

The Webb Space Telescope has spotted a new tiny moon orbiting Uranus. The new member of the lunar gang, announced Tuesday by NASA, appears to be only six miles wide. It was spotted by the telescope's near-infrared camera during observations in February.

NASA said a tiny moon has been found by the Webb Space Telescope orbiting the planet Uranus. The moon is only six miles wide and was found by Webb’s near-infrared camera, The Associated Press reported. That’s about the length of a 10K. Scientists believe that it was missed for so long because it is tiny and is faint, the AP reported.