Story thread · 2 reports / 2 sources

James Webb reveals why planet formation is a race against time

sciencedaily.com · 5hShare

JWST has revealed that young planetary systems lose their planet-building gas through a changing mix of powerful jets, molecular winds, and radiation-driven outflows. As the disks age and their gas disappears, giant planets face a shrinking window to build massive atmospheres.

First report: Webb detects ammonia and unexpected chill on a distant giant planet — phys.org, 3d