Researchers led by Penn State used NASA’s James Webb Space Telescope (JWST) to investigate this unusual “super-puff” planet, which already challenges standard models of planetary formation. 

The rollout began at 12:20 a.m. EDT on Friday after being delayed earlier due to high winds. The journey to the launch pad is expected to take nearly 12 hours, with the crawler-transporter carrying the rocket and spacecraft about four miles along the crawlerway