Why We Need to Go Back to Mars

Explore the compelling case for returning to Mars in this 17-minute TED talk by planetary scientist Joel Levine. Discover intriguing new findings about the Red Planet, including ice-filled craters, evidence of ancient oceans, and tantalizing hints of past life. Learn about Mars' unique features, such as its massive volcanoes, expansive canyons, and mysterious crustal magnetism. Examine the geological evidence for water on Mars, from polar caps to frozen subsurface reserves. Delve into recent discoveries of methane in the Martian atmosphere and their potential implications. Understand the proposed mission strategy that utilizes proven technologies and existing infrastructure to maximize scientific returns. Gain insights into the importance of further Mars exploration and its potential to unlock secrets about our solar system's history and the possibility of extraterrestrial life.

Intro
The Story Begins: Mariner 4 Flyby The First Closeup Image of Mars - July 14, 1965
Viking Orbiter Composite - 1976
First Surface Color Image of the Red Planet Viking Lander 1, 1976
Mars' Surface = Earth's Entire Land Surface
Largest Volcanoes and Largest Canyon in Solar System
Hellas Basin: Biggest Impact Crater in Solar System
Olympus Mons: Largest Volcano in Solar System
Valles Marineris: Largest Canyon in Solar System
Mars Crustal Magnetism
Water on Mars ? Geological Evidence
Water on Mars ? Mars Polar Caps
Water on Mars?
Rock and Ice Glaciers on Earth and Mars
Frozen Water in a Crater
Northern Hemisphere Ancient Ocean Basin?
Where is the Water Today? Below the Surface of Mars in Frozen Form!
Methane in the Atmosphere of Mars (2009)
Locations of Mars Landings and Methane Plumes
Straightforward Mission that Maximizes Use of Proven Technologies and Existing Infrastructure
Testing ARES in the Earth's Atmosphere