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Nydus Open Learning

Astronomy

Astronomy · Astrophysics

Astrophysics

Stars derived from physical law: radiation and magnitudes, stellar atmospheres, structure and nuclear energy, how stars evolve, white dwarfs, neutron stars and black holes, the interstellar medium, and the dark matter and black holes of galaxies.

Ages 18+ 18 lessons about 10 hours in all

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The lessons

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  1. 1 The radiation laws
  2. 2 Flux, luminosity and magnitudes
  3. 3 Propagating uncertainty
  4. 4 Excitation, ionization and the spectral sequence
  5. 5 Line shifts, rotation and the masses of binary stars
  6. 6 The equations of stellar structure
  7. 7 Central conditions, the virial theorem and polytropes
  8. 8 Radiation, convection and the mass-luminosity relation
  9. 9 Nuclear energy and main-sequence lifetimes
  10. 10 After the main sequence
  11. 11 The ages of star clusters
  12. 12 Degeneracy, white dwarfs and neutron stars
  13. 13 Pulsars, accretion disks and X-ray binaries
  14. 14 Black holes and gravitational waves
  15. 15 The interstellar medium and dust
  16. 16 The Jeans criterion and star formation
  17. 17 Rotation curves, the virial theorem and dark matter
  18. 18 Active galactic nuclei