Robert Makemson Guide to Astronomy in Jacksonville
Interactive Simulations
Introductory Concepts Lookback Time Simulator Basic Motions & Ancient Astronomy Small-Angle Approximation Demonstrator Heliacal Rising Simulator Big Dipper Clock Coordinates and Motions Meridional Altitude Simulator Declination Ranges Simulator Ecliptic Simulator Union Seasons Demonstrator Azimuth/Altitude Demonstrator Daylight Simulator Obliquity Simulator Ecliptic (Zodiac) Simulator Longitude/Latitude Demonstrator Celestial-Equatorial (RA/Dec) Demonstrator Paths of the Sun Sun Motions Overview Sun Motions Demonstrator Sun's Rays Simulator Sun's Position on Horizon Big Dipper 3D Seasons Simulator (NAAP) Coordinate Systems Comparison Daylight Hours Explorer Antipodes Explorer Sidereal Time and Hour Angle Demonstrator Celestial and Horizon Systems Comparison Sidereal and Solar Time Simulator Lunar Cycles Lunar Phase Vocabulary Basketball Phases Simulator Three Views Simulator Lunar Phases Simulator (NAAP) Moon Inclination Eclipse Table Eclipse Shadow Simulator Tidal Bulge Simulation Phase Positions Demonstrator Moon Phases and the Horizon Diagram Synodic Lag Full Moon Declination Simulator Lunar Phase Quizzer Moon Phases With Bisectors Renaissance Astronomy Phases of Venus Ptolemaic Phases of Venus Ptolemaic Orbit of Mars Epicycles Demo Retrograde Motion Kepler's Third Law Synodic Period Calculator Planetary Configurations Simulator (NAAP) Planetary Orbit Simulator (NAAP) Eccentricity Demonstrator Earth Orbit Plot Newton's Law of Gravity Calculator Gravity Algebra Light & Spectra Blackbody Curves of Melting Spectrum Explorer EM Spectrum Module Blackbody Curves (NAAP) Filters Simulator (NAAP) Hydrogen Atom Simulator (NAAP) Three Views Spectrum Demonstrator Extrasolar Planet Radial Velocity Demonstrator Doppler Shift Demonstrator Telescopes and Astronomical Instruments Telescope Simulator CCD Simulator Snell's Law Demonstrator Sun and Solar Energy Proton-Proton Animation CNO Cycle Animation Stellar Properties Distance Modulus Explorer Stellar Velocity Calculator Parallax Calculator Spectroscopic Parallax Simulator Stellar Luminosity Calculator Flux Simulator HR Explorer (NAAP) Binary and Variable Stars Eclipsing Binary Simulator Aliasing in Wagon Wheels Center of Mass Simulator Lightcurve Simulator Milky Way Galaxy Milky Way Rotational Velocity Traffic Density Analogy Cosmology Balloon Universe Galactic Redshift Simulator Solar System Characteristics Planet Formation Temperatures Plot Solar System Properties Explorer ExtraSolar Planets Influence of Planets on the Sun Radial Velocity Graph Transit Simulator (NAAP) Extrasolar Planet Radial Velocity Demonstrator Radial Velocity Simulator (NAAP) Doppler Shift Demonstrator Pulsar Period Simulator Hammer Thrower Comparison Solar System Debris Driving Through Snow 200 Level Sidereal Time and Hour Angle Demonstrator NAAP Solar System Models Planetary Configurations Simulator Ptolemaic System Simulator Basic Coordinates and Seasons Seasons and Ecliptic Simulator The Rotating Sky Rotating Sky Explorer Motions of the Sun Motions of the Sun Simulator Sidereal and Solar Time Simulator Planetary Orbit Simulator Planetary Orbit Simulator Lunar Phase Simulator Moon Bisector Demo Lunar Phase Simulator Moon Phases and the Horizon Diagram Blackbody Curves and UBV Filters Blackbody Curves and Filters Explorer Light and Filters Simulator Hydrogen Energy Levels Hydrogen Atom Simulator Hertzsprung-Russel Diagram Hertzsprung-Russell Diagram Explorer Eclipsing Binary Simulator Eclipsing Binary Simulator Atmospheric Retention Gas Retention Plot Gas Retention Simulator Extrasolar Planets Exoplanet Radial Velocity Simulator Exoplanet Transit Simulator Variable Star Photometry Registration Simulator Blink Comparator Simulator Photometry Simulator Variable Star Photometry Analyzer Cosmic Distance Ladder Parallax Explorer Spectroscopic Parallax Simulator HR Diagram Star Cluster Fitting Explorer Supernova Light Curve Fitting Explorer Habitable Zones Circumstellar Habitable Zone Simulator Milky Way Habitability Explor