Astronomy 1020 - Concepts and Terms

Dr. Donald Gudehus

Chapter 3 (review)

    Ångstroms
    Blackbody
    Blueshift
    Doppler Effect
    Electromagnetic Radiation
    hertz
    Inverse Square Law
    Kelvins
    Planck
    Redshift
    Stefan-Boltzmann
    Velocity of light
    Wien's Law

Chapter 4 (New and review)

    13.6 eV
    Absorption Line
    Balmer Series
    Bohr Model
    Bright Line
    Continuous Spectrum
    Dark Line
    Emission Line
    H Alpha
    Ion
    Ionized
    Kirchhoff's Laws
    Molecule
    Photon
    Pressure or Collisional Broadening
    Rotational Broadening
    Temperature Broadening

Chapter 16

    Butterfly Diagram
    Chromosphere
    Convection Zone
    Corona
    Deuteron
    Electron
    Filament
    Flare
    Helioseismology
    Helium
    Limb Darkening
    Maunder Minimum
    Neucleon
    Neutrino
    Neutrino Flavor
    Neutron
    Photosphere
    Plage
    Positron
    Prominence
    Proton
    Solar Constant
    Solar Wind
    Spectroheliograph
    Sunspot

Chapter 17

    Absolute Magnitude
    Apparent Magnitude
    Astrometric Binary
    Barnard's Star
    Bolometric Magnitude
    Distance Modulus
    Eclipsing Binary
    Hertzsprung-Russell Diagram
    Local Standard of Rest
    Luminosity Class
    Parallax
    Proper Motion
    Proxima Centauri
    Radial Velocity
    Space Velocity
    Spectral Class
    Spectroscopic Binary
    Tangential Velocity
    Visual Binary

Chapter 18

    Absorption
    CH3OH
    CO
    Eagle Nebula
    Emission Nebulae
    Extinction
    Fluorescence
    Forbidden Lines
    Free-free Emission
    H2
    H2CO
    HCN
    HII Region
    Interstellar Absorption Lines
    Interstellar Scintillation
    IR Cirrus
    M16
    M20
    M42
    Molecular Cloud
    [OII]
    Orion Nebula
    Polarization
    Pressure Equilibrium
    Reddening
    Reflection Nebula
    Relative proportions of dust and gas
    Spin
    Stromgren Sphere
    Tracer of H2
    Trifid Nebula
    21-cm Radiation

Chapter 19

    Associations
    Bipolar Flows
    Brown Dwarfs
    EGG
    Evaporating Gaseous Globules
    Evolutionary Track
    Forces That Assist Collapse
    Fragmentation
    Fully Convective
    Herbig-Haro Objects
    Hyashi Track
    IRAS
    Kelvin-Helmholtz Contraction
    OB Associations
    Opposing Forces on Cloud
    Proton-proton reaction
    Protostar
    Seven Stages of Star Formation
    Shock Waves
    T Associations
    T Tauri Stars
    Trapezium
    Zero-age Main Sequence

Chapter 20

    1.4 Msun
    Algol
    Assymptotic Giant Branch
    Bosons
    Black Dwarf
    Carbon Core
    Chandrasekhar's Limit
    Cluster Fitting Method
    CNO Bi-cycle
    Conduction
    Contact Binary
    Convective Transport
    Degeneracy
    Detached Binary
    Examples of Red Giants
    Fermi-Dirac Statistics
    Fermions
    Globular Cluster
    Helium Ash
    Helium Core
    Helium Flash
    Horizontal Branch
    Hydrostatic Equilibrium
    L=M3.5
    Lagrangian Point
    Lifetime=M-2.5
    Main-Sequence Turnoff
    P=nkT
    Planetary Nebula
    Radiative Transport
    Red Giant Branch
    Roche Lobes
    Semidetached Binary
    Subgiant Branch
    Triple-alpha Process
    White Dwarf

Chapter 21

    Accretion Disk
    Carbon Detonation
    Cas A
    Core Collapse
    Crab Nebula
    Isotope
    Light Curve
    Neutron Capture
    Neutron Degeneracy
    Neutronization
    Nova
    Nuclear Binding Energy
    Photodisintigration
    r-process
    s-process
    SN1987a
    Stellar Nucleosynthesis
    Supernova
    Supernova Remnant
    Synchrotron Emission
    Type I
    Type II
    Vela

Chapter 22

    Advance of Perihelion of Mercury
    Binary Pulsars
    Black Holes
    "Black Holes Have No Hair"
    Cygnus X-1
    Deflection of Starlight
    Degenerate Neutron Pressure
    E=mc2
    Equivalence Principle
    Event Horizon
    Gamma-ray Bursters
    General Relativity
    Gravitational Redshift
    Gravitational Radiation
    Hawking Radiation
    Hercules X-1
    Light Circle
    Lighthouse Model
    Millisecond Pulsars
    Neutron Star Physical Properties (density, gravity, magnetic field, radius, rotation)
    Photon Sphere
    Principle of Relativity
    Pulsar Physical Properties (lifetime, luminosity)
    Schwarzschild Radius
    Spacetime
    Special Relativity
    SS433
    Twin Paradox
    Virtual Pairs
    X-ray Bursters

Chapter 23

    Bulge
    Cepheids (Type I)
    Cepheids (Type II)
    Cosmic Rays
    Dark Matter
    Density Wave Theory
    Disk
    Formation of Galaxy
    Gravitational Lensing
    Halo
    Herschel
    Instability Strip
    Keplerian Rotation
    Nucleus
    Period-Luminosity Relation
    Physical Properties of Galaxy (diameter, mass, number of stars, rotational velocity, thickness)
    Population I
    Population II
    RR Lyrae stars
    Saggitarius A
    Self-sustaining Star Formation
    Shapley
    Spherical Component
    Spiral Arms
    Star Gauging
    Supermassive Black Hole
    Tracers of Spiral Arms
    Types of Star Clusters

Chapter 24

    Barred Spirals
    Clusters of Galaxies
    Cold Dark Matter
    Dark Matter
    Ellipticals
    Hot Dark Matter
    Hubble
    Hubble Law
    Irregular Clusters
    Irregular Galaxies - Type I
    Irregular Galaxies - Type II
    Large-scale Motions
    Large-scale Structure
    Local Group
    Local Supercluster
    Lookback Time
    Magellanic Clouds
    M31
    M32
    M51
    M82
    Merging
    Messier
    Oblate Spheroid
    Physical Properties of Galaxies (diameters, masses, mass/luminosity)
    Prolate Spheroid
    Regular Clusters
    Relative Distance Indicators
    S0
    Shapley-Curtis Debate
    Spirals
    Standard Candles
    Standard Meter-sticks
    Superclusters
    Tuning Fork Diagram
    Voids
    Zone of Avoidance

Chapter 25

    Active Galactic Nucleus
    AGN
    BL Lacertae Objects
    Blazars
    Core-halo Radio Galaxy
    Cygnus A
    Gravitational Lensing
    Head-tail Galaxy
    Jets
    Lobed Radio Source
    Lobe
    M87
    Non-thermal Emission
    Physical Properties of Various Objects
    QSO
    Quasar
    Quasi-stellar Object
    Quasi-stellar Radio Source
    Radio Galaxy
    Seyfert Galaxy
    Superluminal Expansion
    Supermassive Black Hole
    Synchrotron Emission

Chapter 26

    Big Bang
    Closed Universe
    Cosmological Constant
    Cosmological Principle
    Decoupling
    Euclidean
    Flat Space
    Friedmann
    Homogeneity
    Hubble Constant
    Hubble's Law
    Humason
    Isotropy
    Lemaitre
    Mass Density Parameter
    Microwave Background Radiation
    Negatively Curved Space
    Olber's Paradox
    Omega0
    Omega0,Baryons
    Omega0,Visible
    Omega0,Lambda
    Open Universe
    Penzias and Wilson
    Positively Curved Space
    Redshift-Magnitude Test
    Steady State Theory

Chapter 27

    Atomic Epoch
    Cold and Hot Dark Matter
    Decoupling of Photons
    Flatness Problem
    Four Fundamental Forces
    GUT Epoch
    Hadron Epoch
    Horizon Problem
    Inflation
    Jean's Length
    Jean's Mass
    Lepton Epoch
    Light Elements
    Nuclear Epoch
    Pair Production
    Planck Epoch
    Primordial Nucleosynthesis
    Ratio of photons to particles
    Time of Decoupling
    Time when density of matter = density of radiation

Chapter 28

    Amino Acids
    Chemical Evolution
    Cultural Evolution
    DNA
    Early Ideas about Life
    Greenbank Equation
    Miller-Urey Experiment
    Mutation
    Natural Selection
    Oldest Fossils
    Panspermia
    Proteins
    Punctuated Evolution
    RNA
    Space Communication
    Space Travel
    Threats to Survival
    "Water Hole"