These results are based of observations made in September 2019 using telescopes in Spain and Hawaii
We could chase down an interstellar Comet Borisov by 2045
We could send a spacecraft to Comet C/2019 Q4 (Borisov), but it wouldn’t be easy
This comet might be from interstellar space. Here’s how we could find out
Comet C/2019 Q4 (Borisov) could be the second confirmed interstellar object, however astronomers will have much more time to examine it