A Japanese spacecraft launched towards Mars in an unprecedented mission to explore the planet’s mysterious moons and retrieve samples. This five-year endeavor involves collaboration between five of the world’s leading space agencies. The primary goal is to land a robotic prospector and rover on Phobos, one of Mars’s two small moons.
Led by the Japan Aerospace Exploration Agency, the spacecraft was successfully launched from Tanegashima Island’s main spaceport. This mission marks the first attempt to collect samples from Mars’s moons, a feat never achieved before despite multiple successful Mars landings by NASA and China.
If successful, the spacecraft will return dust, soil, and rock samples from Phobos to Earth by 2031. This mission, known as Martian Moons Exploration (MMX), signifies Japan’s expertise in space exploration, building on its previous achievements with asteroid sample returns.
Phobos, a small potato-shaped moon around 22 kilometers in diameter, holds vital clues about the origin of Mars’s moons and potentially other celestial bodies. The mission, with a budget of $812 million, involves a five-ton spacecraft set to reach Mars by late summer next year. It will release a French-German rover named Idefix on Phobos to explore its surface.
The rover, resembling a microwave oven in size, will navigate Phobos for 100 days, assessing terrain for the subsequent landing of a stationary lander. The lander aims to collect samples before departing Phobos, studying Mars’s other moon, Deimos, during its journey back to Earth.
This ambitious mission is crucial for understanding planetary formation and the possibility of life beyond Earth. It also sets the stage for future Mars exploration endeavors. Japan’s investment of $350 million, along with contributions from NASA, the French Space Agency, the German Space Agency, and the European Space Agency, highlights the global collaboration in unraveling the mysteries of the Martian system.