Directed panspermia | Wikipedia audio article
Channel: wikipedia tts
Date: 2019-06-27

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Directed_panspermia


00:01:20 1 History and motivation
00:03:12 2 Strategies and targets
00:04:43 3 Propulsion and launch
00:07:44 4 Astrometry and targeting
00:08:59 5 Deceleration and capture
00:09:48 6 Biomass requirements
00:13:34 7 Biological payload
00:13:54 7.1 Signal in the genome
00:16:10 8 Concept missions
00:18:45 9 Motivation and ethics
00:20:20 10 Objections and counterarguments
00:23:28 11 In popular culture
00:24:49 12 See also
00:26:49 13 References
00:27:48 14 External links



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SUMMARY
=======
Directed panspermia is the deliberate transport of microorganisms in space to be used as introduced species on lifeless but habitable astronomical objects.
Historically, Shklovskii and Sagan (1966) and Crick and Orgel (1973) hypothesized that life on the Earth may have been seeded deliberately by other civilizations. Conversely, Mautner and Matloff (1979) and Mautner (1995, 1997) proposed that humanity should seed other planetary systems, protoplanetary discs or star-forming clouds with microorganisms, to secure and expand our organic gene/protein lifeform. To avoid interference with local life, the targets may be young planetary systems where local life is unlikely. Directed panspermia can be motivated by biotic ethics that value the basic patterns of organic gene/protein life with its unique complexity and unity, and its drive for self-propagation.
Directed panspermia is becoming possible due to developments in solar sails, precise astrometry, the discovery of extrasolar planets, extremophiles and microbial genetic engineering. Cosmological projections suggest that life in space can then have a  future.