Australian mechanic helps discover four-planet solar system
Australian mechanic and amateur astronomer, Andrew Grey has helped discover four planets orbiting a star as part of a crowd-sourcing project. After a small tutorial on hunting exoplanets, over 7,000 volunteers classified about 1.5 million points of interest. The discovery of the four-planet system was confirmed within 48 hours of the project's initiation using NASA's Kepler Space Telescope's data.