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NASA is flying helicopters on distant moons and planets. Welcome to a new era of solar system exploration
Flying a helicopter on another planet might sound like pure science fiction, yet space history has already proved otherwise. When NASA’s Perseverance rover thundered to Mars aboard an Atlas V rocket ...
Moons may seem like quiet companions to the planets, but many of them are worlds every bit as fascinating as the planets themselves. Some are covered in oceans, some erupt with lava, and others hide ...
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