| Meteorites and asteroids, like Deimos and Phobos, are witnesses of the Universe's birth. |
| There is strong evidence that they are associated with the formation of the largest crater on Phobos. |
| Mars's two moons, Phobos and Deimos, are believed to be asteroids themselves that were captured by the Martian gravity. |
| Optech Inc. of Toronto, Ontario, will lead a team to develop a mission concept to explore Phobos, one of Mars' two moons. |
| Phobos and Deimos are still largely unexplored despite many unanswered questions about their origin, composition, and structure. |
| Phobos-Grunt, Russian spacecraft that was designed to land on the Martian moon Phobos and bring some of its soil back to Earth. |
