NASA/JPL/Malin Space Science Systems

Why we might fail at terraforming Mars

Life on Mars may continue to be a distant dream because there might not be enough carbon dioxide (CO2) to make it habitable, Wired reports. To make the Red Planet more Earth-like, a new atmosphere would have to be created from the already existing greenhouse gases on Mars—including CO2. But scientists analyzing the amount of CO2 in the planet’s ice and minerals, as well as the amount lost to space, reported in Nature Astronomy that there isn’t enough of the gas to raise air pressure and heat up the planet, necessary to make the air more breathable and melt any frozen water there. So for now, terraforming is still a topic for science fiction.

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