The idea of transforming Mars into a world more hospitable to human habitation is a regular feature of science fiction.
But could this be done in real life? Scientists are now proposing a new approach to warm up Earth’s planetary neighbor by pumping engineered particles — similar in size to commercially available glitter and made of iron or aluminum — into the atmosphere as aerosols to trap escaping heat and scatter sunlight toward the Martian surface. The idea would be to augment the natural greenhouse effect on Mars to raise its surface temperature by roughly 50 degrees Fahrenheit over a span of a decade.
has sent robotic rovers to explore the Martian surface and the InSight Lander to study the planet’s interior. The U.S. space agency’s Artemis program aims to put astronauts in the coming years on the lunar surface for the first time since 1972 in preparation for potential future human missions to Mars.
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