Back Phobosdurchgang vom Mars German Transit de Phobos depuis Mars French Transito di Fobos da Marte Italian フォボスの太陽面通過 Japanese Trânsito de Fobos em Marte Portuguese Tranzitul lui Phobos de pe Marte Romanian Прохождение Фобоса, видимое с Марса Russian Проходження Фобоса, видиме з Марса Ukrainian 火卫一凌日 Chinese
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A transit of Phobos across the Sun as seen from Mars takes place when Phobos passes directly between the Sun and a point on the surface of Mars, obscuring a large part of the Sun's disc for an observer on Mars. During a transit, Phobos can be seen from Mars as a large black disc rapidly moving across the face of the Sun. At the same time, the shadow (antumbra) of Phobos moves across the Martian surface.
The event could also be regarded as a particularly quick and shallow annular solar eclipse by Phobos.