California Institute of Technology
Wandering Jupiter swept away super-Earths, creating our unusual Solar System
Enormous planet found to be in a quadruple star system
Astronomers have discovered the second known case of a four-star planetary system. The planet was known before and has a mass ten times that of Jupiter, but was thought to have only three parent stars, not four. The findings help researchers understand how multiple star systems can influence the development and fate of planets.