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2025-06-19 12:56
人工衛星に光を99.9％以上吸収する「ベンタブラック」を塗って光害を防ぎ天文学を守る試みが進行中 - GIGAZINE
https://gigazine.net/news/20250619-satellite-coated-ultra-dark-vantablack/
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