Detection of ancient water ice suggests interstellar origins predating the Sun
Berlin, Germany (SPX) Jun 17, 2025
A team of astronomers from Leiden University and the National Radio Astronomy Observatory has confirmed the first robust detection of semi-heavy water ice surrounding a young sunlike star, strengthening the hypothesis that some of the solar system's water predates the Sun itself. Their study, based on observations from the James Webb Space Telescope, was published in The Astrophysical Journal Le