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www.steelsnowflake.org | ||
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www.salon.com
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| | | | | Studying planets in other solar systems has challenged notions of how life can develop under harsh conditions | |
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www.accelerating.org
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| | | | | [AI summary] The text discusses the search for extraterrestrial intelligence (SETI) through the lens of 'radio fossils'—low-power, unintentional radio signals emitted by advanced civilizations. It explores the possibility that many such civilizations may have existed and disappeared before or after our current search window, making their signals hard to detect. The author estimates the number of such civilizations in our galaxy, based on assumptions about the longevity of technological civilizations and the habitable zones of stars. The text also touches on the concept of 'transcension,' the idea that advanced civilizations may shift their focus from space to internal development, and how detecting 'signing-off' signals from such civilizations could provide ... | |
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arstechnica.com
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| | | | | The Universe should be full of alien civilizations. Why can't we find any? | |
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www.space.com
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| | | The latest New Horizonsbreaking news, comment, reviews and features from the experts at | ||
