Last month, China successfully landed and deployed the Zhurong rover on Mars, becoming the second country ever to set wheels on the surface of the red planet. Last year the United States, the United Arab Emirates and China all launched missions to Mars, taking advantage of the relatively short journey time offered by the two planets’ unusually close proximity. Why are planetary scientists so obsessed with Mars? Why spend so much time and money on this one planet when there are at least seven others in our solar system, more than 200 moons, countless asteroids, and much more besides? Fortunately,…
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