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Exploring Hydrothermal Vents: Earth's Deep Ocean as a Model for Alien Worlds
Manage episode 421951719 series 3561088
コンテンツは SETI Institute によって提供されます。エピソード、グラフィック、ポッドキャストの説明を含むすべてのポッドキャスト コンテンツは、SETI Institute またはそのポッドキャスト プラットフォーム パートナーによって直接アップロードされ、提供されます。誰かがあなたの著作物をあなたの許可なく使用していると思われる場合は、ここで概説されているプロセスに従うことができますhttps://ja.player.fm/legal。
The INVADER project researches ways to improve life detection in ocean worlds by studying alien worlds in Earth’s deep ocean. We seek to understand how we can detect life in the deep ocean here on Earth with flight-ready instruments (e.g., can go on a space flight mission). The deep ocean is a testing ground to help us validate what data collected by these instruments could tell us about life if we deployed them to the seafloor of an ocean world. To this end, in 2021, Laura Rodriguez (LPI) and Pablo Sobron (SETI Institute) traveled to Axial Seamount in the Pacific Ocean to place some microbial traps at low temperature (~23 C) vents. These traps contained substrates and minerals relevant to materials we might find in ocean worlds to see which minerals are most attractive to life under hydrothermal conditions and whether we could reliably detect that life with our instruments. Postdoctoral Fellow Bonnie Teece went on a research cruise in 2023, collected these samples, and brought them back to the laboratory to find out what these data can tell us about life and rocks deep in our ocean world and apply that to what we might find on other ocean worlds. Join communications specialist Beth Johnson as she chats with Dr. Teece about her initial analysis of the microbial traps and what they could mean for our search for life beyond Earth, especially involving ocean worlds like Europa and Enceladus. (Recorded 23 May 2024.)
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