Excited for the August 21 eclipse? Visit our Eclipse 2017 page to explore the science, history, and myths of the event. The Curiosity team will be viewing the eclipse alongside NASA in Carbondale, Illinois. Follow us on Facebook for live videos, trivia, and interviews on the big day.
Comet Tails Can Stretch For Hundreds Of Millions Of Miles
Share the knowledge!
Key Facts In This Video
In the 1500s, comets were discovered to be objects in space, rather than objects within Earth's atmosphere. 00:40
Comets can have two types of tails: ion tails and dust tails. 01:21
There isn't a clear distinction between comets and asteroids. 02:41