A Russian mission to the Martian moon Phobos, launching in 2020, would return samples from Phobos that contain bits and pieces of Mars itself. A new study calculates how much Martian material is on the surface of Phobos and how deep it is likely to go.
Martian moon samples will have bits of Mars Brown University
British scientists want to send two mini-spacecraft to explore Phobos and Deimos, the mysterious moons of Mars. The satellites, which are thought to be captured asteroids, have never received a direct mission – although passing US probes have taken images of them.