
07/07/2025
JWST Captures Its First Direct Image of an Exoplanet—And It’s a Game-Changer
In a groundbreaking achievement, the James Webb Space Telescope has captured its first-ever direct image of a potential exoplanet—marking a new era in planetary discovery. The faint source of infrared light, located about 111 light-years away in the debris disk surrounding the young star TWA 7, is likely a Saturn-mass planet dubbed TWA 7 b.
This discovery is especially significant because it wasn’t made using indirect methods like shadows or wobbles, but through Webb’s powerful coronagraph, which blocks out the star’s blinding light to reveal faint nearby objects.
What makes TWA 7 b particularly intriguing is its low mass—roughly 10 times less than any planet previously imaged directly—and its possible role in shaping the surrounding disk. The planet sits about 50 times farther from its star than Earth is from the Sun, nestled in a gap between dust rings. Though there’s a small chance the signal came from a background galaxy, modeling and follow-up analysis strongly support the planet hypothesis.
If confirmed, this would be the first time an exoplanet has been directly linked to sculpting its host star’s debris disk, and a major demonstration of JWST’s unmatched ability to study young, low-mass worlds in distant solar systems.
RESEARCH PAPER 📄
A.-M. Lagrange et al, "Evidence for a sub-Jovian planet in the young TWA 7 disk ", Nature (2025)