We could send a spacecraft to Comet C/2019 Q4 (Borisov), but it wouldn’t be easy
Space Exploration
Space Exploration
Astronomy
First glimpses of interstellar comet suggest it’s not so different
Comet C/2019 Q4 gained a lot of attention when astronomers identified it as the second interstellar object ever discovered
Solar System
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