1 Spiral Galaxies Spiral Pattern Galactic Shock Galactic Slides: 38 Download presentation 1. Spiral Galaxies, Spiral Pattern, Galactic Shock 銀河衝撃波Galactic shock Similarity to Typhoon/Haricane Spiral=Pattern Density wave 2. Spiral Shock in accretion disk: BH, Binary l 2 D Matsuda et al. 2000 l 3 D Oka et al. 2002 Bondi-Hoyle Accretion Rufert, Anzer 1995 l l l 3. Shock-wave Simulation by Hydraulic Jump 4. LEC Laboratory Experiment of Cosmic Hydrodynamics Hydraulic Jump vs Galactic shock l Collision of two supersonic flows (clusters of galaxies) l 2 D Matsuda et al. 2000 Binary accretion onto BH φ(r)=1/r Dφ/dr=-1/r 2 Accretion onto BH φ(r)=1/r gravity=dφ(r)/dr=-GM/r 2 φ(r)=GM/r dφ/dr=-GM/r 2 Kepler motion + Accretion (shock, viscosity) l. Galactic Shock l銀河衝撃波 Spiral / Bar shocks gvavity=g+δg sin 2θ φ(r)=ln r dφ/dr=-GM/r Vrot=const Display GalaxysPrimary classificationSpinal shock vs neurogenic shockSpinal shock vs neurogenic shockSpinal shock vs neurogenic shockSubacute combined degenerationShok neurogenicoSpiral shockRc lenkungSoftware architecture definition4 types of galaxiesLife cycle of galaxiesEvolution of galaxiesChapter 30 galaxies and the universeHow are galaxies classified? *Facts about elliptical galaxiesUniverse pgTypes of galaxiesTipus de galaxiesGalaxiesGalaxies lesson planBrainpop galaxies quiz answersWhat waves are produced by stars and galaxiesType of galaxyMost galaxies in the inner region of a large cluster areThe pity relation for an adiabatic expansion isQuadrant search patternActive galactic nucleiActive galactic nucleiGalactic cap reviewSector model exampleGlorckGalacticGalactic habitable zoneMartina cardilloSub saharan african city modelHarris peripheral modelActive galactic nucleiGalactic habitable zone