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  <lastmod>2026-09-03T20:32:48Z</lastmod>
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  <loc>https://astrobiology.com/2026/09/02/determining-the-biosignature-threshold-for-life-detection-on-biotic-abiotic-or-prebiotic-worlds/</loc>
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  <loc>https://astrobiology.com/2026/09/02/icy-ocean-planet-research-nasa-roses-25-amendment-71-new-opportunity-a-16-cryosphere/</loc>
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  <loc>https://astrobiology.com/2026/09/02/global-carbon-fixation-in-earths-subsurface-biosphere/</loc>
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   <news:genres>Blog</news:genres>
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  <loc>https://astrobiology.com/2026/09/02/tinyrna-seq-an-optimized-approach-to-sequencing-tiny-rnas-and-primitive-rna-genomes/</loc>
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   <news:genres>Blog</news:genres>
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 <url>
  <loc>https://astrobiology.com/2026/09/02/stellar-flares-rather-than-high-tint-as-possible-cause-for-the-missing-methane-in-young-exoplanets-the-case-study-of-v1298-tau-b/</loc>
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    <news:name>Astrobiology</news:name>
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   <news:genres>Blog</news:genres>
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    <news:name>Astrobiology</news:name>
    <news:language>en</news:language>
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   <news:genres>Blog</news:genres>
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  <loc>https://astrobiology.com/2026/09/02/pyedith-the-coronagraphic-exposure-time-calculator-for-the-habitable-worlds-observatory/</loc>
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   <news:genres>Blog</news:genres>
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   <news:genres>Blog</news:genres>
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  <loc>https://astrobiology.com/2026/09/01/experimental-measurements-of-benzene-ice-critical-saturation-ratios-on-titan-tholins-and-impact-on-the-microphysical-modeling-of-titans-south-polar-benzene-cloud-2/</loc>
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