Brian's Timelines


Explanatory Pages

Short explanations of astronomical terms

What Is...
Longer explanations of less well understood matters

Measurements, Laws, Constants & Definitions

Your Telescope
What to look for in a telescope

Exo-Planets so far discovered, as of 31 March 2020

Astronomical satellites

Stellar Classes
Explanation of the differences between stars

Daily, Weekly & Monthly Newsletters

  1. Astronomy Expert
  2. Astronomy.com
  3. Chandra
  4. Daily Galaxy
  5. European Southern Obsevatory
  6. Hubble Site
  7. Jet Propulsion aboratory
  8. John Hopkins
  9. Mars Daily
  10. Moon Daily
  11. Pleine Lune (Full Moon)
  12. National Optical Astronomy Observatory
  13. Nature
  14. Physics World
  15. Planet Quest
  16. Planetary Science Research Discoveries
  17. Planetary.org
  18. Saturn Daily
  19. Science at NASA
  20. Space Daily
  21. Space Ref
  22. Space Telescope Science Institute
  23. Space Travel
  24. Spitzer
  25. Space Weather

Major Space-based Astronomical Telescopes

Professional Astronomy Sites

Other astronomy related websites

Amateur Astronomy Sites


Telescope theory and science...

BUILD your own telescope...

BUY your own telescope...

Free Auto-Mailers on Astronomy and Associated Matters

Astronomy Magazines

Ancient Places Purportedly Related to Astronomy