Comet or asteroid? 288P is both, and it's a binary too! https://t.co/lFDs9xPSK3 pic.twitter.com/ZYmCZaI4IX— HubbleTelescope (@HubbleTelescope) September 20, 2017
Comet or asteroid? 288P is both, and it's a binary too! https://t.co/lFDs9xPSK3 pic.twitter.com/ZYmCZaI4IX