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Remember that "Alien Signal" Sent by the ExoMars Orbiter Last Year? It's Just Been Decoded
2023, the ESA's Exomars Trace Gas Orbiter (TGO), currently in orbit around Mars, sent a signal to Earth to simulate a possible extraterrestrial transmission. As part of the multidisciplinary art project "A Sign in Space," the purpose was to engage citizen scientists in helping to decode it.
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