Space's Deepest Secrets Season 4 Episode 9
Mystery of the Northern Lights
The aurora borealis is one of Earth's most incredible sights, and new discoveries finally explain why these mysterious lights appear and what they reveal about the Sun's sinister and deadly powers.
4 - 10Pluto's Strange SecretsOct. 13, 2018- 4 - 9Mystery of the Northern LightsJul. 18, 2018
- 4 - 8Secret History of the Juno MissionJul. 11, 2018
- 4 - 7Mars: The Next FrontierJun. 27, 2018
- 4 - 6New Race to the MoonJun. 20, 2018
- 4 - 5Wrath of the Black HoleJun. 13, 2018
- 4 - 4Journey to Alien EarthsJun. 06, 2018
- 4 - 3Hunt for the edge of the UniverseMay. 30, 2018
- 4 - 2Mission to the Red PlanetMay. 23, 2018
- 4 - 1The Time Travel EnigmaMay. 15, 2018
