Episode 19 The 4.5 Billion Year History of Mars

What happened to Mars? How did a planet once shaped by rivers, lakes and enormous volcanoes become the cold, dry desert we see today? In Episode 19 of The Mars Explorer, we travel back 4.5 billion years to uncover the remarkable history of the Red Planet. From its violent formation and ancient watery environments to massive volcanic eruptions, catastrophic floods and the gradual loss of its atmosphere, we explore the three great geological periods of Mars: the Noachian, Hesperian and Amazonian. Discover how NASA's orbiters and rovers are piecing together this extraordinary history—and what it reveals about the possibility of ancient life on Mars. Enjoy exploring the mysteries of Mars? Subscribe to The Mars Explorer and join us for Episode 20, when we investigate SpaceX Starship and its ambitious mission to carry humans to the Red Planet!