Where were you in drought season? Interstellar comet 2I/Borisov dumped 230 million litres of water as it whizzed through Solar System
Some shine, come rain Vid The interstellar comet 2I/Borisov shed nearly 230 million litres of water as it whizzed through our Solar System during its visit last year, according to measurements gathered by NASA's Neil Gehrels Swift Observatory."