Rock Clouds at Dawn, Clear Skies at Dusk — How WASP-94Ab's Weather Is Rewriting Planetary Science
June 9, 2026On WASP-94Ab, a giant planet 690 light-years away, silicate clouds made of vaporized rock form every morning and vanish by dusk. JWST's first direct observation of this rock-cloud cycle — and why it changes everything we know about planetary atmospheres.