NASA's Unexplained Files Season 5 Episode 8

Ep 8. Mars's Deepest Secret

  • TV-PG
  • October 18, 2016
  • 42 min
  • 7.8  (21)

NASA's Unexplained Files season 5 episode 8 is titled "Mars's Deepest Secret." In this episode, viewers are taken on a journey to unravel a mystery that has puzzled scientists for decades. Since the first missions to Mars, scientists have been studying the planet's surface, atmosphere, and geology to try and understand its history and potential for hosting life.

The episode explores some of the most intriguing discoveries made on Mars, including the discovery of an ancient lakebed, the detection of methane gas in the atmosphere, and the recent findings of liquid water beneath the planet's frozen surface. Scientists have been studying these findings carefully to try and piece together the puzzle of Mars's past and present.

The episode also delves into the Mars Exploration Rovers (MER) mission, which was launched in 2003 to explore the planet's geology and search for signs of past water activity. Along the way, the rovers made numerous discoveries that have helped scientists understand the composition and history of Mars. These discoveries include the identification of sedimentary rocks, which suggest the presence of water in Mars's past, and the discovery of minerals that could have been formed in the presence of water.

However, despite these and other discoveries, one mystery has eluded scientists for years: the source of methane on Mars. While the gas could be produced by geological processes, it could also be a sign of biological activity. To try and solve this mystery, scientists have been using a variety of techniques, including ground-based telescopes and the Mars Atmosphere and Volatile Evolution (MAVEN) spacecraft, which was launched in 2013 to study the planet's atmosphere.

The episode also explores the recent discovery of liquid water beneath Mars's frozen surface. While the finding was exciting, it also raised many questions about the possibility of life on Mars. Scientists have been analyzing the composition of the water, as well as the conditions required for it to exist, to better understand the potential habitability of the planet.

Throughout the episode, viewers are introduced to some of the scientists working on these discoveries and learn about the challenges they face in uncovering the secrets of Mars. These challenges include the harsh conditions of the planet, the limited data available, and the need for advanced technology to analyze the findings.

Overall, "Mars's Deepest Secret" is a fascinating exploration of one of the biggest mysteries in space exploration. Viewers will gain a deeper understanding of the history and potential of Mars, as well as the dedicated scientists working to uncover its secrets. Whether you're a space enthusiast or just curious to learn more about one of the most intriguing planets in our solar system, this episode is not to be missed.

Description
Watch NASA's Unexplained Files - Mars's Deepest Secret (s5 e8) Online - Watch online anytime: Buy, Rent
NASA's Unexplained Files, Season 5 Episode 8, is available to watch and stream on Science. You can also buy, rent NASA's Unexplained Files on demand at Discovery+, Amazon Prime, Philo, Amazon, Vudu, Microsoft Movies & TV, Google Play, Apple TV online.
  • First Aired
    October 18, 2016
  • Content Rating
    TV-PG
  • Runtime
    42 min
  • Language
    English
  • IMDB Rating
    7.8  (21)