# Japan Launches Historic Mission to Retrieve Samples from Martian Moon Phobos JAXA’s MMX spacecraft aims to uncover solar system origins through Martian moon exploration. - **Source:** [Sci-Tech News | Latest Technological Developments | The Hindu](https://www.thehindu.com/sci-tech/) - **Published:** 2026-10-18 - **Topic:** [Business](https://brifing.si/c/business) - **Original article:** - **On Brifing:** https://brifing.si/s/b5ca3e48-9c1f-48e6-bf59-c5c16a661013 ## Ambitious Martian Moon Mission The Japan Aerospace Exploration Agency is launching the Martian Moons eXploration mission on October 20, 2026. Utilizing the new H-3 rocket, the spacecraft aims to retrieve soil samples from Phobos. This marks the world's first attempt to bring back material from a Martian moon, potentially revealing secrets about the solar system's early history. ## Scientific Objectives and Origins Researchers seek to determine if Phobos and Deimos are captured asteroids or remnants of a massive collision with Mars. By analyzing soil samples, scientists hope to identify traces of Martian material. This data could explain how these moons formed and provide insights into the origins of life within our solar system. ## International Collaboration and Technology The mission represents a significant international effort led by Japan, featuring critical contributions from NASA, France, Germany, and the European Space Agency. The spacecraft carries 13 specialized instruments, including a joint French-German rover named Idefix. These tools will facilitate deep space communication, radiation monitoring, and precise surface analysis during the mission. ## The Five-Year Journey Following its launch from the Tanegashima Space Center, the five-ton spacecraft will travel for one year to reach the Martian region. It will spend three years orbiting and observing Phobos and Deimos. The return journey concludes in 2031, when a heat-protected capsule carrying the precious samples is scheduled to land in Australia. ## Innovative Sampling Mechanisms JAXA plans to collect at least 10 grams of soil using two distinct methods. NASA’s device uses pressurized gas to lift dust, while JAXA’s coring tool penetrates two centimeters deep. These dual approaches ensure a diverse collection of surface and subsurface material, maximizing the potential for discovering past microbial life traces. ## Navigating Low Gravity Challenges Landing on Phobos presents extreme technical difficulties due to its minimal gravity, which is only one two-thousandth of Earth's. The exploration module features specialized four-legged landing gear with shock absorbers to prevent bouncing. Meanwhile, the Idefix rover is designed to maintain traction and self-right if it tips over on the surface. ## Strategic Future Exploration Project manager Yasuhiro Kawakatsu emphasizes that Phobos is a critical, unclimbed mountain in space exploration. The mission data will be vital for evaluating Martian moons as potential bases for future human missions to Mars. Understanding the composition of these moons is a prerequisite for long-term manned exploration of the red planet. ## Building on Past Success Japan leverages significant experience from its previous Hayabusa asteroid missions, which successfully returned samples in 2010 and 2020. By applying these proven technologies to the MMX mission, JAXA aims to overcome the failures of past international attempts. This mission positions Japan at the forefront of deep space sample return capabilities globally. ## Sources covering this story - https://www.thehindu.com/sci-tech/science/japan-to-launch-mmx-to-phobos-to-collect-moon-samples/article71599258.ece — --- _Summary written by Brifing from the original reporting. Copyright in the original article belongs to its publisher; read the full piece at the link above._