A Japanese spacecraft was launched toward Mars in a groundbreaking mission to explore the planet’s enigmatic moons and collect samples. The mission, named MMX (Martian Moons Exploration), involves a collaboration of five international space agencies and aims to land a robotic prospector and a rover on Phobos, one of Mars’s two small moons.
The Japan Aerospace Exploration Agency (JAXA) successfully launched the spacecraft from Tanegashima Island’s main spaceport. This mission marks a significant milestone as no previous spacecraft has landed on Mars’s moons or retrieved samples from them.
If the mission is successful, samples including dust, soil, and rocks from Phobos will be brought back to Earth in 2031. This mission builds on Japan’s previous successes in asteroid sample returns.
Phobos, Mars’s larger moon, is a small, irregularly shaped rock that holds key insights into the formation of Mars’s moons and possibly other moons in the solar system. The spacecraft, costing $812 million, is expected to reach Mars by late summer next year and deploy a rover named Idefix to explore Phobos.
Idefix, a small rover, will navigate Phobos for 100 days, serving as a safety scout for the mission. The main goal is to collect at least 10 grams of material from Phobos before studying Mars’s other moon, Deimos, through flybys.
By studying Mars’s moons, scientists hope to uncover the origins of Phobos and Deimos and gain insights into planetary formation and the potential for life. The samples retrieved from Phobos could provide valuable information for future Mars missions, shaping the understanding of the Red Planet’s history and potential habitability.
Japan’s mission is not the only one vying for Martian samples. China and NASA also have plans for sample return missions, with all aiming to bring back samples from Mars by 2031. The collaborative effort involves substantial investments from various space agencies to unlock the scientific treasures hidden within the Martian system.
