{"id":"9c082491-bda6-4e08-acbd-77a898111e51","arxiv_id":"1908.00377","paper_version":1,"verdict":"CONDITIONAL","confidence":"HIGH","novelty_score":4.0,"correctness_risk":"medium","formal_verification":"none","parameter_count":0,"one_line_summary":"A multi-spacecraft comet rendezvous mission is proposed to resolve open questions in cometary plasma physics that single-spacecraft missions like Rosetta could not answer.","lead":"This white paper reviews what spacecraft have learned about the plasma around comets, and it argues that a future European mission with several spacecraft flying together around a comet could answer the biggest remaining questions in this field. It was submitted to ESA's Voyage 2050 planning call as a mission proposal and science case.","discovery_kind":"review","skeptic_critique":null,"referee_report":null,"author_rebuttal":null,"desk_editor":null,"rs_alignment":null,"lean_confirmation":null,"pith_extraction":null,"created_at":"2026-08-14T15:59:12.437560+00:00","model_set":{"reader":"deepseek-v4-flash"},"falsifier":null,"supporting_citations":[],"review_version":1}