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Starts With A Bang #32 - Humanity's 3 Hopes For Alien Life
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Manage episode 207161207 series 116631
Content provided by Ethan Siegel. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by Ethan Siegel or their podcast platform partner. If you believe someone is using your copyrighted work without your permission, you can follow the process outlined here https://player.fm/legal.
There are three very different ways humanity is searching for alien life beyond Earth. We can directly search the various planets and moons in our Solar System for past or present biological signatures simply by sending decontaminated probes, and looking for the evidence in situ. We can indirectly look at distant worlds around other stars, searching for the characteristic changes to the atmosphere and surface that life would bring. And, most optimistically, we can search for intelligent signatures created, perhaps willfully, by a technologically advanced alien species. These are our three hopes for finding alien life, and we're actively pursuing all three. Here's how the different searches work, along with some speculation about what we're likely to find, and what motivates us to look!
…
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109 episodes
MP3•Episode home
Manage episode 207161207 series 116631
Content provided by Ethan Siegel. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by Ethan Siegel or their podcast platform partner. If you believe someone is using your copyrighted work without your permission, you can follow the process outlined here https://player.fm/legal.
There are three very different ways humanity is searching for alien life beyond Earth. We can directly search the various planets and moons in our Solar System for past or present biological signatures simply by sending decontaminated probes, and looking for the evidence in situ. We can indirectly look at distant worlds around other stars, searching for the characteristic changes to the atmosphere and surface that life would bring. And, most optimistically, we can search for intelligent signatures created, perhaps willfully, by a technologically advanced alien species. These are our three hopes for finding alien life, and we're actively pursuing all three. Here's how the different searches work, along with some speculation about what we're likely to find, and what motivates us to look!
…
continue reading
109 episodes
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