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22nd September 2019

Could we terraform Mars?

In this video from PBS Space Time, hosted by astrophysicist Matt O'Dowd, we look at the science and technology required to transform our planetary neighbour into a second Earth.

We already have the technology to bring humans safely to Mars and set up small settlements – or at least could do, within a generation. But those settlements will need to be cocooned – shielded against the deadly cold, intense radiation, and the fatal lack of atmospheric pressure.

Surely if we want to thrive on Mars – to make it into our second home – these settlers, or their descendants, will need to be able to open the airlocks, shed their spacesuits and step out onto a survivable surface. We'll need to terraform Mars, as our first step in terraforming the galaxy.

 

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