Astronomy
Preface
Prerequisites
Learning ethics
Introduction
What is Astronomoy?
Why does Astronomoy matter to you?
Research
Ecosystem
Standards, jobs, industry, roles, …
Story
FAQ
Worked examples
Celestial shadows
Subsection
Subsubsection
Exercises
- Logic. Mathematics. Code. Automatic Verification such as Lean Proven or Frama-C.
- Languages in Anki.
Projects
Summary
FAQ
Reference Notes
X
Photometry
Time
Julian Day number (JD),
Doppler effect
Variable Star Astronomy
https://www.growth.caltech.edu/growth-astro-school-2020-resources.html
https://www.aavso.org/education/vsa
Tangra 3