An itty-bitty interloper!☄️ Researchers found a surprise in @NASAWebb's calibration data: an asteroid the size of Rome’s Colosseum — between 300 to 650 feet (100 to 200 meters) in length! It may be the smallest object (illustrated here) detected by Webb. http://go.nasa.gov/3Yt43Xm #NASAExoplanets
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.
