NASA’s James Webb Space Telescope Measures Small Asteroid’s Size and Properties
NASA’s James Webb Space Telescope has observed asteroid 2024 YR4, confirming it poses no significant threat to Earth in 2032 and beyond. The telescope used its Near-Infrared Camera (NIRCam) and Mid-Infrared Instrument (MIRI) to measure the asteroid’s size, composition, and thermal properties. Earlier this year, NASA reported that the risk of Earth impact from asteroid … Read more