Professional and citizen astronomers with the NASA-funded ‘Backyard Worlds: Planet 9’ project have made their first significant discovery: a new brown dwarf in the solar neighborhood, WISEA J110125.95+540052.8. Artist’s impression of a T-dwarf. Image credit: R. Hurt / NASA. The Backyard Worlds: Planet 9 website lets anyone with a computer and an Internet connection flip through images taken by NASA’s Wide Field Infrared Survey Explorer (WISE). If...
