After analyzing four years of Kepler space telescope observations, astronomers from the University of Toronto have given us our clearest understanding yet of a class of exoplanets called "Warm Jupiters," showing that many have unexpected planetary companions. An artist's portrayal of a Warm Jupiter gas-giant planet (r.) in orbit around its parent star, along with  smaller companion planets [Credit: Detlev Van Ravenswaay/Science...

[[ This is a content summary only. Visit my website for full links, other content, and more! ]]