A new theory suggests that Mars' unusual shape and extreme terrain could be the result of a long-lost moon.
According to a recent study, a massive moon that once orbited Mars could have significantly influenced the planet's formation and evolution. This ancient satellite, which scientists have dubbed "Nerio," may have been large enough to exert a powerful gravitational pull on Mars, shaping its unique features.
Key Points from the Theory:
- Tidal Forces: Nerio's gravity would have created significant tidal forces on Mars, similar to how Earth's moon influences our planet's oceans. These tidal forces could have helped to stretch and deform Mars, giving it its distinctive bulge at the equator.
- Magma Ocean: During Mars' early history, the planet likely had a vast, molten magma ocean. Nerio's tidal forces could have stirred and churned this magma, leading to the formation of unique geological features such as volcanoes, canyons, and impact craters.
- Moons of Today: Nerio's eventual fate remains uncertain. It may have been destroyed in a collision, leaving behind Mars' two small moons, Phobos and Deimos. Alternatively, it could have been ejected from the Martian system, perhaps due to a gravitational interaction with another celestial body.
While this theory is intriguing, it will require further research and evidence to be confirmed. Future missions to Mars may provide clues about the planet's early history and the possible existence of a long-lost moon.