For a long time, we viewed the Moon as a barren and unchanging cosmic desert. However, decades of exploration — from the legendary Apollo missions to recent SOFIA telescope observations — have radically transformed our understanding of our natural satellite.
Here are the most fascinating discoveries changing the future of space exploration:
1. Water is not just a myth
The biggest surprise in recent years has been the confirmation of water's existence. NASA confirmed the presence of water molecules (H₂O) even on the sunlit side of the Moon, not just in the permanently shadowed craters at the poles.
Where is it hiding? Water appears to be trapped in tiny glass beads created by meteorite impacts or hidden within the lunar soil (regolith).
Why does it matter? This could be extracted to produce oxygen and fuel for future permanent bases.
2. The Moon has a "heart" and geological activity
Although it appears dead, the Moon is still active. Moonquakes, initially detected by seismometers left behind by Apollo astronauts, show that the Moon's interior is still hot and that the satellite is "shrinking" as it cools, causing cracks in the crust.
3. A time capsule for the Solar System
Unlike Earth, where erosion and plate tectonics erase traces of the past, the Moon preserves cosmic history intact. Analysis of rocks brought back by the Apollo missions demonstrated that the Moon most likely formed from a giant impact between early Earth and a Mars-sized planet called Theia, approximately 4.5 billion years ago.
4. Precious resources: Metals and Ice
Beyond water, recent research indicates the presence of rich deposits of metals (such as iron and titanium) and other volatile elements beneath the surface. The polar regions, especially those in permanent shadow, are true cosmic "freezers" harboring ice that could sustain human life in space.
What's next?
NASA's Artemis mission is preparing to send humans back to the Moon, this time to stay. The goal is no longer just to plant a flag, but to learn how to use local resources to leap toward Mars.
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