That interstellar comet spotted last year is weirder than expected

Interstellar comet 2I/Borisov is packed with carbon monoxide, making it a real weirdo when compared to comets from our solar system. Scientists using high-powered telescopes observed the comet's emissions and found carbon monoxide as well as hydrogen cyanide. Future observations of new interstellar comets will be the only way to determine how unique 2I/Borisov truly is. Visit BGR's homepage for more stories. When an amateur astronomer spotted what appeared to be only the second interstellar obje...