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Can solar sails really send humans out into interstellar space?

"I think these are not far-out type of ideas; they are not really futuristic ideas that we are talking about." ...
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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 ...