BALTIMORE — Examining a dusty disk — a sign of planet formation — around a young star, astronomers appear to have found a new clue about how the youthful Earth acquired water to form oceans and provide a habitat for life.
The disk of debris surrounds the 10-million-year-old star EF Chamaeleontis, which lies about 310 light-years from Earth.
Log in
Subscribers, enter your e-mail address for full access to the Science News archives and digital editions.