This is CBS I In The World. I'm John Batcher with David Livingston. Dr. Space, this is the

Space Show Hotel Mars and we're actually on Mars 3.4 billion years ago with Professor

Alexis Rodriguez who publishes a story about what happened the day the asteroid struck.

The asteroid that hit the Yucatan Peninsula was estimated between six and nine miles across

some maybe is largest 10 miles across and it struck and ended the dinosaur 65, 66 million

years ago. This asteroid struck 3.4 billion years ago and we do not know whether it ended

any life because we're not sure there was life there but the professor is using the

word habitability to understand the chemical components of the ocean that dominated the

Northern Hemisphere of Mars. David, you have a question for the professor. Professor

with your unlimited budget, would you do any exploring on the Southern Hemisphere of Mars?

The Southern Hemisphere. I think that okay with my unlimited budget there is another

area that I would love to go and explore is more equatorial subtropical. It's actually

in the chaotic terrains of Mars and the chaotic terrains are extremely interesting geologic

features because they represent the largest windows between the groundwater systems and

the surface water systems that we know of in the entire solar system. So essentially they

are zones where the aquifers released the water to the surface and produce like immense channels

that then ended up in the Northern plains. I would love to go to explore these outlets

from these massive groundwater systems on Mars. They are as the name suggests like

chaotic terrains. They are actually extremely complicated terrains.

The ocean back to the Northern Hemisphere, the ocean that existed at the day of the event,

that ocean was fed by aquifers and I find it's incorrectly. The aquifers were feeding liquid

water into the surface. These aquifers, what is your explanation for their origin? Are

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