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サマリー
あらすじ・解説
A journey into the deepest silence of the cosmos, this piece explores the 21-centimeter hydrogen line—the faint radio whisper that carries the story of the universe’s first light. From the primordial darkness of the cosmic dark ages to the birth of the first stars and galaxies, the script weaves scientific precision with lyrical imagery. It guides the listener through cutting-edge experiments on Earth and dreams of observatories on the Moon, all in pursuit of a signal older than time. A fusion of astrophysics and awe, this is the origin story written in radio waves.