Webb Detects Extremely Small Main Belt Asteroid
February 6, 2023
An asteroid roughly the size of Rome’s Colosseum – between 300 to 650 feet (100 to 200 meters) in length – has been detected by an international team of European astronomers using NASA’s James Webb Space Telescope. Their project used data from the calibration of the Mid-InfraRed Instrument (MIRI), in which the team serendipitously detected an interloping asteroid. The object is likely the…