{"id":"W3091913149","doi":"10.1126/science.abc3557","title":"Bright carbonate veins on asteroid (101955) Bennu: Implications for aqueous alteration history","year":2020,"lang":"en","type":"article","venue":"Science","topic":"Astro and Planetary Science","field":"Physics and Astronomy","cited_by":134,"is_retracted":false,"has_abstract":true,"ca_institutions":"York University","funders":"","keywords":"Asteroid; Impact crater; Astrobiology; Regolith; Geology; Context (archaeology); Ejecta; Meteorite; Parent body; Weathering; Chondrite; Geochemistry; Paleontology; Astronomy; Physics","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0001210398,0.00008150333,0.00007256295,0.00003597244,0.0002327392,0.00004766416,0.0003497183,0.0000103331,0.00008118411],"category_scores_gemma":[0.000008922952,0.00007328478,0.00003220013,0.000179444,0.0001698585,0.0002624714,0.0000257368,0.00006553118,0.00006985801],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00004530924,"about_ca_system_score_gemma":0.000210124,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00003897518,"about_ca_topic_score_gemma":0.000002627728,"domain_scores_codex":[0.9991638,0.000009517168,0.0001083589,0.0003413323,0.0001451569,0.0002318016],"domain_scores_gemma":[0.9995403,0.00002863806,0.00005818005,0.000170369,0.00005119823,0.0001513484],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"design_other","study_design_gemma":"not_applicable","study_design_scores_codex":[0.0001067018,0.0004231704,0.0894466,0.00003454247,0.00003178945,0.000002543754,0.008465865,0.01293152,0.3250794,0.1470289,0.02191458,0.3945343],"study_design_scores_gemma":[0.0009196036,0.001403119,0.383606,0.00002899926,0.00003184022,0.000003207363,0.0002678207,0.1558089,0.009462982,0.006051292,0.4415443,0.0008719508],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.8684983,0.0002171972,0.07110444,0.009590919,0.001200519,0.0009765038,0.0004097596,0.0001174776,0.04788486],"genre_scores_gemma":[0.997687,5.023787e-7,0.001043276,0.0006688585,0.0002092981,0.00001582689,0.00003895467,0.000003765079,0.0003324569],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.4196298,"threshold_uncertainty_score":0.2988467,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03200424396151043,"score_gpt":0.2380702881364568,"score_spread":0.2060660441749464,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}