NATS 1740 Chapter Notes -Inverse-Square Law, Planetary Nebula, Brown Dwarf

24 views3 pages
Published on 13 Apr 2013
School
York University
Department
Natural Science
Course
NATS 1740
Professor
Page:
of 3
Vocabulary
Gravitational equilibrium
Sunspots
Corona
Photosphere
Core
Nuclear fusion;
Solar flares;
Luminosity,
Brightness,
Parallax,
Inverse square law
Spectral type
Main sequence
Giant
Supergiant
White dwarf
H-R diagram
Open clusters
Globular clusters
Main-sequence turnoff point
Brown dwarf
Thermal pressure
Degeneracy pressure,
Exclusion principle;
Shell fusion,
Planetary nebula;
Proton-proton chain,
Triple-alpha process,
CNO cycle,
Massive star supernova,
Neutron star;
Pulsar, nova,
White dwarf supernova,
Black hole,
Event horizon,
Schwarzschild radius;
Time dilation,
Length contraction;
Galaxy,
Galaxy components:
Disk,
Bulge,
Halo,
Bar,
Spiral arms;
Interstellar medium,
Ionization nebulae,
Reflection nebulae;
Spiral galaxy,
Elliptical galaxy,
Irregular galaxy;
Quasar,
Active galactic nucleus,
Accretion disk;
Space-time diagram,
Worldline,
Lookback time;
Dark matter;
Gravitational lensing;
Dark energy;
Hubble's Law;
Big Bang,
Inflation,
Nucleosynthesis,
Cosmic background radiation;
Bacteria,
Archaea,
Eukarya,
Extremophiles,
Stromatolites,
Microfossils,
DNA,
Habitable zone,
Drake equation.