Mars and Jupiter moons meet
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![](https://www.esa.int/var/esa/storage/images/esa_multimedia/videos/2022/10/deimos_passing_in_front_of_jupiter_and_its_galilean_moons/24513712-1-eng-GB/Deimos_passing_in_front_of_Jupiter_and_its_Galilean_moons_card_full.jpg)
ESA’s Mars Express has captured the rare moment of Mars’ small moon Deimos passing in front of Jupiter and its four largest moons – the focus of ESA’s upcoming Jupiter Icy Moons Explorer launching next year. Celestial alignments like these enable a more precise determination of the martian moons’ orbits.