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   <news:title>High-resolution Optical Spectroscopy Reveals The Distinctive Volatile Composition Of The Interstellar Comet 3I/ATLAS</news:title>
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   <news:title>Possible Observational Survey Strategies to Maximize Exoplanet Yields: A Report from the Survey Strategies Task Group in the Exoplanet Science Yields Working Group</news:title>
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  <lastmod>2026-09-23T17:38:59Z</lastmod>
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   <news:title>Quantifying The Temperature-dependent Yields Of N2 And N2H4 Formation In Vacuum-ultraviolet-irradiated NH3 Ice</news:title>
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  <loc>https://astrobiology.com/2026/09/23/study-finds-an-ancient-history-of-water-on-mars-that-shifted-over-time/</loc>
  <lastmod>2026-09-23T17:19:30Z</lastmod>
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  <loc>https://astrobiology.com/2026/09/23/the-science-potential-of-characterizing-gas-giant-exoplanets-with-hwo/</loc>
  <lastmod>2026-09-23T17:34:24Z</lastmod>
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   <news:title>The Science Potential of Characterizing Gas Giant Exoplanets with HWO</news:title>
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  <loc>https://astrobiology.com/2026/09/23/optical-constants-of-photochemical-haze-analogs-in-n2-ch4-co-atmospheres-from-0-4-to-28-6-um/</loc>
  <lastmod>2026-09-23T16:59:59Z</lastmod>
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   <news:title>Optical Constants of Photochemical Haze Analogs in N2-CH4-CO Atmospheres from 0.4 to 28.6 μm</news:title>
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  <loc>https://astrobiology.com/2026/09/23/rotational-spectroscopy-and-astronomical-search-of-propane-1-thiol-ch3ch2ch2sh-and-propane-2-thiol-ch32chsh/</loc>
  <lastmod>2026-09-23T16:53:08Z</lastmod>
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   <news:title>Rotational Spectroscopy And Astronomical Search Of Propane-1-thiol (CH3CH2CH2SH) And Propane-2-thiol ((CH3)2CHSH)</news:title>
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  <loc>https://astrobiology.com/2026/09/23/characterization-of-the-compact-multi-planet-system-toi-789-validation-of-three-terrestrial-planets-dynamical-characterization-and-detection-of-a-fourth-temperate-candidate/</loc>
  <lastmod>2026-09-23T16:48:26Z</lastmod>
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   <news:title>Characterization of the Compact Multi-planet System TOI-789: Validation of Three Terrestrial Planets, Dynamical Characterization, and Detection of a Fourth Temperate Candidate</news:title>
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  <loc>https://astrobiology.com/2026/09/23/elemental-abundances-of-cool-stars-a-spectroscopic-framework-applied-to-five-planet-host-stars/</loc>
  <lastmod>2026-09-23T16:42:34Z</lastmod>
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    <news:name>Astrobiology</news:name>
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   <news:title>Elemental Abundances of Cool Stars: A Spectroscopic Framework Applied to Five Planet-Host Stars</news:title>
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  <loc>https://astrobiology.com/2026/09/23/new-study-pinpoints-when-early-earth-may-have-become-ready-for-lifes-chemistry/</loc>
  <lastmod>2026-09-23T17:13:52Z</lastmod>
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    <news:name>Astrobiology</news:name>
    <news:language>en</news:language>
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   <news:title>New Study Pinpoints When Early Earth May Have Become Ready for Life’s Chemistry</news:title>
   <news:publication_date>2026-09-23T16:09:00Z</news:publication_date>
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