"Surprising Discovery: Massive Exoplanet Discovered in Plain Sight"
Astronomers have discovered a massive exoplanet, MWC 758c, which they believe is responsible for creating spiral "arm" patterns in protoplanetary disks near the center of the Milky Way. These patterns are thought to be the birthplace of planetary systems, and scientists now have direct evidence that interactions with nascent planets can cause these spiraling patterns.