Dark Comets: Bizarre New Type of an Object in the Solar System
0:00 Dark comets and what they are
0:35 ‘Oumuamua and why it was so special
2:35 Similar discovery from 2016
4:10 Comets vs asteroids
5:35 Dark comet discoveries – water?
7:35 Different types of dark comets
9:30 More strangeness about them and what we know so far
10:35 Additional questions and conclusions
Credit to : Anton Petrov