@CNN: Astronomers say they may have made the first discovery of an exomoon, a moon outside our solar system https://t.co/L0h7ecNPRg https://t.co/lJFPhUXvkN
Astronomers say they may have made the first discovery of an exomoon, a moon outside our solar system https://t.co/L0h7ecNPRg pic.twitter.com/lJFPhUXvkN
— CNN (@CNN) October 3, 2018