This week, a Martian show home imagines life on the red planet.

It's not exactly a walk in the park.

Because of the thin atmosphere, you have a lot of ultraviolet from the sun, which can get through

and basically fry anything on the surface.

And then at night, it's minus 100 degrees centigrade.

Plus, what we know about cannabis's effects on the brain.

This is the nature podcast for November the 17th, 2016.

I'm Adam Levy.

And I'm Noah Baker.

The year is 2037.

A small band of brave souls have travelled thousands upon thousands of miles from their home

to settle in a dry canyon with an inhospitable atmosphere and freezing temperatures.

Their odyssey is the premise of National Geographic's new docudrama, Mars.

This is how humankind came to call Mars home, told by those who made the first footsteps

and the most daring minds of our time.

This opportunity is so amazing for life to go beyond Earth.

The show imagines the journey of the first people to land on Mars in a mission run by the

fictional International Mars Science

Foundation and is interweaved with interviews from real astronomers in the present day.

To celebrate the launch of the show, Nat Geo have built a Mars show home in Greenwich, London.

Lizzie Gibney persuaded a Mars expert to take a tour with her.

Fed up with Earth this week? How about Mars? I've come to the Greenwich Observatory in London where standing outside the beautiful old red brick observatory, there is another red structure.

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