Could We Give Mars a Magnetic Field?

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One way to help us live on Mars would be to terraform the planet. Some scientists think we might be able to do that by giving it a new magnetic field!

Host: Caitlin Hofmeister
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We're going to build a magnetosphere and Earth is going to pay for it

normalguy

I live in hope that some day, I'll see some grand question posed in the title, sit through the little jingle, then Caitlin just smiles and says "No."
Cue patreon information and outro music

Howtard

If Mars is ever to sustain life over more than a million years, it would need a better magnetic field that does not require human maintenance.

Phrenotopia

We could, but should we? If we gave Mars a magnetic field, the outcome would be both positive and negative.

Master_Therion

Yes, let's create global warming on Mars

togruta

Everyone needs to read the Mars trilogy by Kim Stanley Robinson, it goes into this in a lot of depth

Codysdab

Step one - stretch really really really long booster cables from Earth to Mars. Step two - start up Mars' magnet field generator - gently give it gas, don't flood the engine. It's cold so maybe add some fuel line antifreeze.

AvailableUsernameTed

We shall take a boring flamethrower with us and melt all the ice!

ugandanyobungus

So let me get this straight:

Cost: If we did as you suggest, there's an infinitesimally small possibly we'd destroy a habitat that supports Martian microbes which we've never actually found (4:50).

Benefit: If we did as you suggest, at least for the next 5 billion years, we essentially make humanity extinction-proof.

How is this not a no-brainer?

Soldierboyb

mars lost its magnetic field 4.2 billion years ago....first life on earth 4 billion years ago...coinsidence??? *xfiles music intensifies

munemshahariar

Saw title, thought "someone has been watching Isaac Arthur."
*Isaac Arthur for Galactic Imperator!!!*

UpcycleElectronics

0:13 She: 'Mars Isn't friendly for any life at all'
4:50 Also She: 'Maybe it isn't smart, because there is a possibility of alien life'
but besides that, i like this vid a lot.

es

If that process takes a long time, then the temporary solution would be to build a small underground city to shield us from the radiation, and that would make it easier to keep the air in. And we can have greenhouses above-ground to have plants doing photosynthesis, and if there's not enough sunlight on Mars we can help them a bit with some lights

winddoggo

Recently I discovered amazing futurology channel Isaac Arthur, and now sci-show itself touches terraforming topic. I'm so happy.

bergonius

This Project as a Huge Flaw,
the idea of a eletro magnetic device on the planet,
should be the definitive course of action!

By putting one into space, if someting happens to it
( micro meteorite, Meteor or Comet impact, or even something else),
the human dead toll would be tremendous!

Every plan should have a backup plan!

serenemountain