{"record":{"author":{"account_ref":null,"orcid":null},"builds_on":[],"content_schema":"pubphys.content.topic/1","content_sha256":"a4fe698c57d7d7c7571496283dca7d596ed5f53c496cde2828dacd67d2e694b1","created":"2026-10-03T07:17:50Z","files":[],"origin":{"assisted_by":[],"kind":"seed"},"parents":[],"salt":"8a014c3d626da2ed293ad373eb3b1bc52e04d9d68d78c1dfad31f1b74d02c125","schema":"pubphys.record/2","site":"pubphys.com","target":null,"type":"topic"},"content":{"external_id":"astro.ism-astrochemistry","field":"astro","n":"1","review_cite":"A. G. G. M. Tielens, The Molecular Universe, Reviews of Modern Physics, 2013","review_link":"https://doi.org/10.1103/RevModPhys.85.1021","review_verified":"true","summary":"The gas and dust between stars contain hundreds of molecules and absorb starlight in characteristic ways. Several absorption features and emission signals still have no identified source, and some molecules appear where chemistry models say they should not form.","title":"Interstellar medium and astrochemistry","topic_ref":null,"why":"Interstellar chemistry and dust set how stars and planets form and supply the raw organic material of planetary systems."},"attested":{"attestation":{"batch":null,"client_id":null,"id_token_sha256":null,"kind":"platform"},"record_hash":"053938143b301dc6b1d81522aef24ce54269bd5a5c046d77683dda38966086a5","schema":"pubphys.attested/1"},"envelope":{"attested_hash":"e5cad47503f379cebe2234189e017c15add9e90e45cfc5f59461aaaf09110e2f","platform_signature":{"key_id":"c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da","sig":"_n-SAltafhLywD0M2QPGPZlglkWOtA1A5QrGtcGogXJNLD0hShAAbq5f59kSVMAMo64xD-UP1soABDNQlleEAw"},"schema":"pubphys.envelope/1"},"record_hash":"053938143b301dc6b1d81522aef24ce54269bd5a5c046d77683dda38966086a5","leaf_index":44}