Why We Need to Go Back to Mars

Explore the compelling case for returning to Mars in this TED talk by planetary scientist Joel Levine. Delve into intriguing new discoveries about the Red Planet, including ice-filled craters, traces of ancient oceans, and tantalizing hints of past life. Journey through Mars' geological history, from the first closeup images to recent findings of methane in its atmosphere. Examine the planet's unique features, such as its massive volcanoes, expansive canyons, and potential ancient ocean basins. Learn about the evidence for water on Mars, both past and present, and understand the significance of crustal magnetism. Discover the locations of Mars landings and methane plumes, and gain insight into proposed mission strategies utilizing proven technologies. Gain a comprehensive understanding of why scientists believe returning to Mars is crucial for unraveling the mysteries of our solar system and potentially uncovering evidence 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
Rock and Ice Glaciers on Earth and Mars
Frozen Water in a Crater
Northern Hemisphere Ancient Ocean Basin?
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