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| | == Comments == | | == Comments == |
| − | * '''1420 MHz''' (21 cm) is the '''hydrogen line''' — the emission frequency of neutral atomic hydrogen, and the most-listened-on frequency in the history of SETI. It is widely known as the '''"waterhole"''' frequency; in popular SETI writing it has sometimes been called "the voice of God" — the signal any intelligence in the galaxy would be expected to recognise.
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| − | * Expanding on the above, the famous [[wikipedia:Wow! signal|Wow! signal]] - an unexplained radio signal detected in 1977 that is hypothesized to have an extraterrestrial origin - had a frequency of ~1420.455 MHz.
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| − | * Pairing "'''prophecy'''" with the hydrogen line reads the cosmos as a source of religious revelation: a transmission from elsewhere, listened to with the ear of a prophet rather than an engineer. Continues the band's long interest in number stations, shortwave, and hidden messages (see "[[Gyroscope]]").
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| − | * Thematically paired with "[[Hydrogen Helium Lithium Leviathan]]" (the elements produced by the Big Bang) — together they stage the physical cosmos as a theological space.
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| | == Samples / Lyrics == | | == Samples / Lyrics == |
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