JWST maps the weather on a hot gas giant 700 light-years away

Key points

• WASP-94A b is a hot, tidally locked gas giant orbiting close to one of the stars in a binary system roughly 690 light-years away from Earth.
• In a new Science study, scientists led by Sagnick Mukherjee, an astrophysicist at Johns Hopkins University, used the James Webb Space Telescope to learn what the weather looks like out there.
• Tidal locking means that you no longer have day- and night-side temperature differences sweeping across the planet.
• “We wanted to understand the atmospheres of such planets,” Mukherjee says.
• “Are they static or dynamic?