Skip navigation


Cover page

This first chapter contains all the contents learned on September and October 2021.

Into this chapter you will find the following contents:

  • VLT's laser
  • Types of spectrum
  • Wien's law
  • Stefan-Boltzmann's law
  • Parallax
  • Kepler's laws of planetary motion
  • Brightness magnitudes
  • Cepheid variable star
  • Doppler spectroscopy method
  • Binary stars
  • Transit method

At the end of this chapter, there is a test which covers the contents seen over Chapter One. If you are a geek of astronomy click on Quiz and try answering the ten multiple-choice questions.