{"record":{"author":{"account_ref":null,"orcid":null},"builds_on":[],"content_schema":"pubphys.content.revision/1","content_sha256":"c37c3b78a1e43f8ecebacfaa158b1a8b5afe94c6f0c7b205bd946a43bb91d3dc","created":"2026-10-15T23:43:22Z","files":[],"origin":{"assisted_by":[],"kind":"seed"},"parents":["85523272a42dade51ee5993130c99948b380dad2b36e5d10599aef7267d9c657","ce59fb6cd812fc05906d0c60a71c75ea22bc686bcf38e7c3ef7010834d98ee7b"],"salt":"b0221a1ca4b52d2aabb7a864364fb87f1d2c31249530fe66e083402f108be452","schema":"pubphys.record/2","site":"pubphys.com","target":null,"type":"revision"},"content":{"answer_type":"mechanism","assisted_by":[],"external_id":"astro.solar-corona-wind.fast-wind-energy","kind":"phenomenon","literature_status":"open","n":"2","parents":[],"plain":"The fast solar wind leaves the Sun at about $7.5 \\times 10^{7}\\,\\mathrm{cm/s}$, and it is not settled whether waves in the magnetic field or bursts of magnetic reconnection push it to that speed.","posed_since":"","precise":"Determine whether Alfven-wave turbulence, interchange reconnection at the base of coronal holes, or both supply the energy and momentum flux of the fast wind (speed $\\sim 7 \\times 10^{7}\\ \\text{to}\\ 8 \\times 10^{7}\\,\\mathrm{cm}/\\mathrm{s}$), including the heating of protons and heavy ions above the electron temperature. Answer: the fraction of the energy flux supplied by each process, consistent with Parker Solar Probe and Solar Orbiter data inside and near the Alfven surface.","problem_ref":"85523272a42dade51ee5993130c99948b380dad2b36e5d10599aef7267d9c657","references":"","settled_by":"Parker Solar Probe and Solar Orbiter measurements of wave energy flux and reconnection signatures inside the Alfven surface, connected to remote-sensed coronal-hole source regions, that close the energy budget.","status_note":"2021: Parker Solar Probe first crossed into sub-Alfvenic wind; since December 2024 it reaches 9.86 solar radii from the Sun's center.","title":"What supplies the energy and momentum of the fast solar wind?","topic_ref":null},"attested":{"attestation":{"batch":null,"client_id":null,"id_token_sha256":null,"kind":"platform"},"record_hash":"9f55c443d89c003bbe3884d8f7b3bcc2ba9cb454d45a1e60254c36545cdbbeac","schema":"pubphys.attested/1"},"envelope":{"attested_hash":"59079c42c614bb6caf297d5134a3ad24b660c7316c79edbe630efdd75ea27804","platform_signature":{"key_id":"c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da","sig":"0DOQsKe4zecH5tWegIvZVhScANZXdlpHNbhJjC1r0O5WQg-HGq56Rs2GBDBUd1HaYjuOjIDp-sw_0pn6vHUICQ"},"schema":"pubphys.envelope/1"},"record_hash":"9f55c443d89c003bbe3884d8f7b3bcc2ba9cb454d45a1e60254c36545cdbbeac","leaf_index":2426}