For decades, astronomers have speculated that the space between stars may be populated by exosolar minor bodies — comets and asteroids — ejected from their home planetary systems. Studies have also suggested that these bodies may occasionally pass through the Solar System and be identified thanks to their strongly open orbits. The discovery of ‘Oumuamua … Continue reading Initial Characterization of First-Ever Interstellar Comet 2I/Borisov Complete – Including Size