
Understanding the Martian moon of Phobos’ origin hinges on decoding its interior. Japan’s Martian Moons Exploration (MMX) Phobos mission due for launch in late 2026 should help.

Understanding the Martian moon of Phobos’ origin hinges on decoding its interior. Japan’s Martian Moons Exploration (MMX) Phobos mission due for launch in late 2026 should help.