If aliens modified a planet in their solar system to make it warmer, we’d be able to tell. A new study identifies the artificial greenhouse gases that would be giveaways of a terraformed planet.
If aliens modified a planet in their solar system to make it warmer, we’d be able to tell. A new study identifies the artificial greenhouse gases that would be giveaways of a terraformed planet. If aliens modified a planet in their solar system to make it warmer, we’d be able to tell. A new study identifies the artificial greenhouse gases that would be giveaways of a terraformed planet.