Miller, JonJonMillerBarret, DidierDidierBarretCackett, EdwardEdwardCackettDiaz Trigo, MariaMariaDiaz TrigoDone, ChristineChristineDoneGallo, ElenaElenaGalloKaastra, JelleJelleKaastraMotch, ChristianChristianMotchPINTO, CIROCIROPINTO0000-0003-2532-7379PONTI, GABRIELEGABRIELEPONTI0000-0003-0293-3608Webb, NatalieNatalieWebbZoghbi, AbderahmenAbderahmenZoghbi2020-12-232020-12-2320192330-9458http://hdl.handle.net/20.500.12386/29153Accretion disks around stellar-mass black holes are optimal regimes in which to make observational tests of seminal theory that applies across the mass scale. High X-ray spectral resolution will enable the most incisive tests. This white paper briefly reviews the key ideas and examines three case studies.ELETTRONICOenArticlehttps://baas.aas.org/pub/2020n3i102/release/12019BAAS...51c.102MFIS/05 - ASTRONOMIA E ASTROFISICA