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ພວກນັກວິທະຍາສາດ ຊອກຫາຄຳຕອບ ຢູ່ວ່າ ພວກເຮົາຢູ່ນີ້ ຕາມລຳພັງຫຼືບໍ່
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The United States Congress has a big question for the National Academy of Sciences or N-A-S. It wants to know “are we alone in the universe” or are there other planets like ours, with intelligent lifeforms out there? NAS has been working with scientists across the country to answer that

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