'Cold new world' found 100 light years from our sun

Earlier this year, NASA launched a tool that would allow everyday citizens to join the search for alien worlds. Now, the space agency has confirmed there's already been a discovery. Observations with NASA's Infrared Telescope Facility in Hawaii have confirmed that an object spotted by four different users just days after the tool became available is, in fact, a'new cold world' just 100 light-years from the sun. The tool allows users to track moving objects in digital'flipbooks,' using observations from NASA's Wide Field Infrared Survey (WISE) spacecraft. To search for undiscovered worlds, visit the Backyard Worlds: Planet 9 website.