Comet 3I/ATLAS Today (Dec. 20, 2025): Europa Clipper’s UV Surprise, Parker Solar Probe Images, and the Latest Forecast
NASA’s Europa Clipper spacecraft captured ultraviolet data of interstellar Comet 3I/ATLAS as it passed near Earth, while ground-based telescopes had limited visibility. NASA’s Parker Solar Probe also tracked the comet near the Sun. As of December 20, 2025, 3I/ATLAS is 1.8 AU from Earth, magnitude 12.8, and receding from the inner solar system.