Last month, the United Arab Emirates became the first country in the Arab world to put a spacecraft into orbit around Mars. But as it celebrates the achievement of its Hope probe, a group of Emirati scientists is already engaged in another historic feat: building a lunar rover.Last month, the United Arab Emirates became the first country in the Arab world to put a spacecraft into orbit around Mars. But as it celebrates the achievement of its Hope probe, a group of Emirati scientists is already engaged in another historic feat: building a lunar rover.