Understanding the Universe: An Introduction to Astronomy, 2nd Edition Season 1 Episode 35 Comets-Gorgeous Primordial Snowballs
- October 19, 2023
- 31 min
Comets are "dirty snowballs" from beyond the orbit of Neptune. As they approach the Sun, they begin to evaporate and produce gaseous tails. In 2005, a space probe impacted Comet Tempel 1, revealing the nature of its interior.