Why We May Not Be Alone on Earth w/ Janusz Petkowski

Visit https://brilliant.org/EventHorizon/ to get started learning STEM for free, and the first 200 people will get 20% off their annual premium subscription. What if we're not alone on Earth? Why We May Not Be Alone on Earth.... The shadow biosphere is a hypothetical microbial biosphere of Earth that would use radically different biochemical and molecular processes from that of currently known life. 00:00:00 Intro 00:00:26 Bio 00:00:55 Brilliant 00:02:33 The Shadow Biosphere 00:06:32 Multiple Abiogenesis 00:13:20 Panspermic Shadow Biosphere 00:16:40 How to find the Shadow Biosphere 00:23:23 We don’t know the rules of Earth Life 00:32:56 Mars life, could it be here? Podcast Apps and Spotify: https://anchor.fm/john-michael-godier... Apple Podcasts: https://apple.co/3CS7rjT Youtube Membership:    / @eventhorizonshow   JMG and Event Horizon Youtube Membership or Podcast! Join for early ad free audio episodes, bonus episodes, sleep focused content, and full archive of both channels (podcast only). This video was sponsored by Brilliant More JMG    / johnmichaelgodier   Want to support the channel? Patreon:   / eventhorizonshow   Follow us at other places! @jmgEventHorizon Music featured on Event Horizon https://stellardrone.bandcamp.com/ https://migueljohnson.bandcamp.com/ https://leerosevere.bandcamp.com/ https://aeriumambient.bandcamp.com/ FOOTAGE: NASA ESA/Hubble ESO - M.Kornmesser ESO - L.Calcada ESO - Jose Francisco Salgado (josefrancisco.org) NAOJ University of Warwick Goddard Visualization Studio Langley Research Center Pixabay