Mission Mars: NASA's Perseverance vs UAE's Hope vs China's Tianwen-1
Mission Mars: NASA's Perseverance vs UAE's Hope vs China's Tianwen-1
As NASA's Perseverance rover successfully touches down on Mars in the search of signs of ancient life and more, and UAE's Hope mission and China's Tianwen-1 enter Martian orbit, a look at how the three missions are different from each other
