Extragalactic planet Extragalactic planet An extragalactic planet, also known as an extragalactic exoplanet, is a star-bound planet, or rogue planet, located outside of the Milky Way galaxy. Due to the huge distances to such worlds, they would be very hard to detect directly. However, indirect evidence suggests that such planets may exist. Nonetheless, the most distant known planets are SWEEPS-11 and SWEEPS-04, located in Sagittarius, approximately 27,710 light-years from the Sun, while the Milky Way is between 100,000–180,000 light years in diameter. This means that even galactic planets located further than that distance have not been detected. A planet with a mass
Beyond the Limits Beyond the Limits Beyond the Limits is a 1992 book continuing the modeling of the consequences of a rapidly growing global population that was started in "Limits to Growth". Donella Meadows, Dennis Meadows, and Jørgen Randers are the authors and all were involved in the original Club of Rome study as well. "Beyond the Limits" (Chelsea Green Publishing Company) and Earthscan addressed many of the criticisms of the "Limits to Growth" book, but still has caused controversy and mixed reactions. Billionaire investor Richard Rainwater indicates having been influenced by reading "Beyond the Limits"'. His niece Kelley Rainwater reports she gave