A new study in the Astronomical Journal finds that giant exoplanets with long-period orbits are more likely to be found around young stars that have a disk of dust and debris than those without disks. This artist’s rendering shows a giant exoplanet causing small bodies to collide in a disk of dust. Image credit: NASA / JPL-Caltech. The study, led by Caltech researcher Tiffany Meshkat, focused on exoplanets more than five times the mass of Jupiter. “Our...
