JWST Sees a Unique Mini-Neptune — the First to Match Predictions
The sub-Neptune TOI-421b is made of much the same stuff as its star — matching predictions, but bucking the trend among other similarly sized planets. The post JWST Sees a Unique Mini-Neptune — the First to Match Predictions appeared first on Sky & Telescope.

The sub-Neptune TOI-421b is made of much the same stuff as its star — matching predictions, but bucking the trend among other similarly sized planets.
The post JWST Sees a Unique Mini-Neptune — the First to Match Predictions appeared first on Sky & Telescope.