.....Is comet #C2017U1 a visitor from another solar system? Here's a simulation of its current nominal orbit. This simulation will run in your browser.
— Tony Dunn (@tony873004) 25 de octubre de 2017
https://t.co/M1O5an87qk
Watch how fast it moves compared to a few other 2017 comet discoveries. pic.twitter.com/cq7U5eYKOu