Drawing of Observatory
Tutorials and More
BASIC INFO
Selecting a Telescope, Getting Started in the Hobby.
Glossary of Terms used in Astronomy
Pronunciation Guides
Names of the Full Moons
Computations and Formulae (opens a menu)
Cameras, Binoculars, Telescopes -- an Overview
Telescope Optics
Developing the Magnifying Power of a Telescope
Resolution and Seeing
Collimation Guide for Schmidt Cassegrain Telescopes
Making A Mirror Grinding Tool
Making A Mirror Polishing And Figuring Tool
Spherometer
Photometry with ImageJ
Basic Concepts of Solar Sailing
Reading List: Modern Telescopes and Astronomers.
The Greatest Historical Astronomers
The Great Total Lunar Eclipse of 2008
COMMON QUESTIONS
How Small a Crater Can We See on the Moon?
How Small a Sunspot Can We See on the Sun?
Can an Astronaut Orbit the Space Shuttle?
Olbers' Paradox -- Why is the Nighttime Sky Dark?
What is a Supernova?
BEYOND BASIC
Adaptive Optics
Roche Limit: Why Do Comets Break Up?
How Bright is the Moon?
Atmospheric Extinction and Refraction
Astronomical Redshift
Webcam talk March 2014
Using Photoshop to Process DSLR Exposures
Analemma Generator
Astronomical Magnitudes
Meteor Showers
Radiative Cooling
Hydrostatic Equilibrium And Planetary Differentiation
The Hertzsprung-Russell (HR) Diagram
Temperature and Radiation
Long Half-Life in Radioactive Decay
The Dewing or Frosting Of Telescope Optics
THE BIG PICTURE
An Ancient Universe: How Astronomers Know the Vast Scale of Cosmic Time
Introductory Cosmology
Cosmic Evolution
Inflation Theory
The Self-Reproducing Inflationary Universe
Astronomy and Particle Physics
MISCELLANEOUS
Reflections on a Mote of Dust by Carl Sagan
Halloween Nebulae
Buying a Star: What Do I Need To Know?

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