| Solar System | | | |
 | (1) | | Newtons Law |
 | (2) | | Gravitational Constant |
 | (3) | | Mass of the body i |
 | (4) | | Position of the body i |
 | (5) | | Relative position of i relative to j |
 | (6) | | For planet i |
 | (7) | | Mass of the sun |
 | (8) | | Linear momentum of the body i |
 | (9) | | Angular momentum of the body i(law of conservation) |
 | (10) | | AreaSecond Kepler law |
 | (11) | | Area per timeSecond Kepler law |
 |
 | (12) | | Radius of the OrbitFirst Kepler law |
 | (13) | | Elliptical OrbitFirst Kepler law |
 | (14) | | Semmajor axis |
 | (15) | | Perihelion |
 | (16) | | Aphelion |
 | (17) | | Eccentricity |
 | (18) | | Parameter |
 | (19) | | Periode of the i planetThird Kepler law |
 | (20) | | Energy |
 | (21) | | Circulation speed |
 | (22) | | Escape speed |
 |
 | (23) | | Test mass |
 | (24) | | Moon mass |
 | (25) | | Planet density |
 | (26) | | Moon density |
 | (27) | | Tide force |
 | (28) | | Planet radius |
 | (29) | | Roche radius |
| Radiation_transport & spectra | | | |
 |
 | (1) | | Radiation frecuency |
 | (2) | | Area element |
 | (3) | | Angle |
 | (4) | | Solid angle |
 | (5) | | Radiation intensity |
 | (6) | | Energy crossing the surface dA in time dt |
 | (7) | | Energy flux |
 | (8) | | Radius of the star |
 | (9) | | Luminosity or total Energy per time |
 | (10) | | Speed of light |
 | (11) | | Planck Constant |
 | (12) | | Boltzmann Constant |
 | (13) | | Absolute Temperature |
 | (14) | | Black body radiation |
 | (15) | | Stefan-Boltzmann Constant |
 |
 | (16) | | Stefan-Boltzmann Law |
 | (17) | | Mean intensity |
| (18) | | Distance of the star |
 | (19) | | Flux at distance r of the star |
 | (20) | | Absorption coefficient or opacity |
 | (21) | | Distance traveled |
 | (22) | | Optical depth |
 | (23) | | Correction of absorption by the Earth‘s atmosphere |
 | (24) | | Emission coefficient |
 | (25) | | Radiative Transfer Equation |
 | (26) | | Radiative Transfer Equation with optical depth |
 | (27) | | Source function |
 | (28) | | Integration of the intensity |
 | (29) | | Perfect radiative equilibrium |
 | (30) | | Radiative transfer equation for LTE (local thermodynamic equilibrium) |
 | (31) | | Eddington-Barbier approximation |
 | (32) | | In case of LTE |
 | (33) | | Emission Line Spectrum |
 | (34) | | Black body spectrum |
 | (35) | | Absorption Line Spectrum |
| Stellar Structure & Evolution | | | |
 | (1) | | Mass |
 | (2) | | Density |
 | (3) | | Pressure |
 | (4) | | Temperature |
 | (5) | | Luminosity |
 | (6) | | Hydrostatic equilibrium |
 | (7) | | Mass-density relation |
 | (8) | | Energy production rate per volume |
 | (9) | | Radial luminosity profile |
 | (10) | | Absorption coefficient |
 | (11) | | Radiative energy transport |
 | (12) | | Particle density |
 | (13) | | Equation of state: Maxwell gas |
 | (14) | | Equation of state: Non-relativistic degenerate Fermi gas |
 | (15) | | Equation of state: Relativistic degenerate Fermi gas |
 |
 | (16) | | Schwarzschild criterium for convection |
 | (17) | | Ratio of the specific heats |
 | (18) | | Schwarzschild criterium for adiabatic process |
 | (19) | | Mean atomic weigth |
 | (20) | | Proton mass |
 | (21) | | Convection |
 | (22) | | Energy production for H consumption of the sun |
| (23) | | Stars radius |
 | (24) | | Density parameter for main sequence stars |
 | (25) | | Density for the sun |
 | (26) | | Density for main sequence stars |
 | (27) | | Energy production for main sequence stars |
 | (28) | | Mass for main sequence stars |
 | (28) | | Mass for main sequence stars |
 | (29) | | Pressure for main sequence stars |
 | (30) | | Temperature for main sequence stars |
 | (30) | | Luminosity for main sequence stars |
 | (30) | | Temperature for main sequence stars |
 | (30) | | Luminosity for main sequence stars |
| Galaxies | | | |
| Cosmology | | | |
Astrophysics
