A small fleet of spacecraft from the United Arab Emirates, China, and the United States will reach Mars this month after launching from Earth last year. The march to the Red Planet marks a marathon of firsts: it’s the UAE’s first foray into deep space, China’s first independent attempt to land on Mars, and NASA’s first shot at deploying a Martian helicopter.
The rare convoy of Mars-bound spacecraft launched off Earth in a slim, roughly two-month window last summer when Earth and Mars lined up just right in their orbits around the Sun. This planetary alignment only happens once every two years, and three countries took advantage of it in 2020, just as outer space reemerged as a playground for scientific discovery and displays of national…