Secret History of Mercury

8.4/10 · 85 votesFeb 13, 201842 min

Ranked #9 of 10 in Season 6•−0.2 vs season avg

Discussion

Mercury is a deadly world, facing attacks from the Sun, comets, and other planets, and even though it's the smallest planet in our solar system, it has a dangerous secret a dangerous secret that might one day threaten life on Earth.

Previous episodeE5 · Uranus & Neptune: Rise of the Ice Giants Next episodeE7 · The Quasar Enigma

Seasons11

All 1 2 3 4 5 6 7 8 9 10 11

Season 6 Episodes10

E1 8.9

Are Black Holes Real?

E2 8.4

Twin Suns: The Alien Mysteries

E3 8.5

Dark History of the Solar System

E4 8.3

Death of the Milky Way

E5 8.5

Uranus & Neptune: Rise of the Ice Giants

E6 8.4Now viewing

Secret History of Mercury

E7 8.7

The Quasar Enigma

E8 8.7

Strange Lives of Dwarf Planets

E9 8.5

War on Asteroids

E10 8.8

Mystery of Spacetime

Discussion

0 comments

Join the conversation

Share your take and reply to other fans.

No comments yet

Be the first to share your thoughts on this episode.

Episode Summary

"Secret History of Mercury" is episode 6 of How the Universe Works season 6. It scored 8.4/10 from 85 votes, ranking #9 of 10 episodes this season (season average 8.6). It aired on February 13, 2018.

Next: E7 · The Quasar Enigma Best of Season 6