Planet Tyche explains change in path of comets: researchers
(NEWSER) - A huge and previously undetected planet lies at the outer edge of the solar system, believe two University of Louisiana astrophysicists. The planet Tyche, a gas giant four times the size of Jupiter, likely lies in the outer Oort cloud—the most remote part of the solar system—and almost certainly has moons, according to John Matese and Daniel Whitmire. They believe Tyche's existence explains a change in the path of comets entering the solar system, the Independent reports. More»
