Japan is sending a spacecraft to land on Phobos, where gravity is about 1,700 times weaker than Earth’s. MMX will collect more than 10 grams of material and return it to Australia in 2031 — the first sample ever deliberately brought back to Earth from the Martian system.
Japan’s Martian Moons eXploration spacecraft is not going to Phobos merely to photograph it. The mission is designed…
