Astronomers spot a circumplanetary disk for the first time
SAN PEDRO DE ATACAMA, Chile (UPI) -- With the help of the ALMA Observatory, scientists have identified a circumplanetary disk in a distant star system -- a first. Astronomers found the moon-forming disk of dust and debris circling an exoplanet in orbit around PDS 70, a low-mass T Tauri star located 370 light-years from Earth. T Tauri stars are a class of young stars characterized by their optical variability. During an earlier survey, scientists discovered two new Jupiter-like planets orbiting […]