Astronomers using the NASA/ESA Hubble Space Telescope have spotted an unusual object in the asteroid belt between Mars and Jupiter: two asteroids orbiting each other and exhibiting comet-like features, including a bright coma and a long tail. This artist’s impression shows the binary asteroid 288P/300163, located in the main asteroid belt between the planets Mars and Jupiter. Image credit: ESA / Hubble / L. Calcada. The active asteroid 300163 (also...
