A group of astrophysicists have proposed a brilliantly difficult way to fight climate change and it relies on a moon dust shield.
Other plans require placing space bubbles between Earth and the Sun. Image source: Space Bubbles Project / MIT
The three researchers involved with the research say that the dust mined from the moon would need to settle millions of miles from Earth’s orbit if it has any hope of actually creating a dust shield that can block out the sun’s rays. But how exactly would we go about getting all of that dust into space?
Well, the plan there is to mine it and then shoot it out of cannons placed along the lunar surface. This would take less energy to eject the moon dust for the shield, but we wouldn’t have as much control over where it went, as it would eventually begin drifting out of position. That drifting would then require us to shoot even more moon dust into space, making it a process that continues onward as long as humanity wanted to use the moon dust shield effectively. This isn’t the only plan that we’ve seen to fight climate change by positioning things between Earth and the Sun.
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