Astronomers shocked by how these giant exoplanets formed
Astronomers shocked by how these giant exoplanets formed
JWST just found evidence that some “super-Jupiters” may have formed like planets, not failed stars.
- Date:
- February 11, 2026
- Source:
- University of California - San Diego
- Summary:
- A distant star system with four super-sized gas giants has revealed a surprise. Thanks to JWST’s powerful vision, astronomers detected sulfur in their atmospheres — a chemical clue that they formed like Jupiter, by slowly building solid cores. That’s...
