Celestial Sphere:
Celestial sphere: Absolute reference points
Celestial sphere: Observer's reference points: Horizon & Zenith
Celestial sphere: Abolute and Observer's reference points
Diurnal paths & Circumpolar stars: Cel Sphere
Diurnal paths & Circumpolar stars: Sky plane
Terrestrial Co-oords: Latitude
Terrestrial Co-oords: Longitude
Celestial Co-ords: Declination
Celestial Co-ords: RA
Celestial Co-ords: Hour Angle
Equivalency of HA of Vernal Equinox and RA of transiting objects
Tropical & Arctic zones
Mean solar day: Fictitious mean Sun
Local solar time
12 hour clock - Negative HA
Timekeeping: solar day & time zones
Local sidereal time (LST)
Equivalence of LST and RA of Meridian
LST and Solar Time
Planetary Motion:
Planetary orbital periods: sidereal and synodic
Planetary orbits: force and acceleration
Moon's orbit on C. Sphere
Planet's orbit on C. Sphere
Kepler's Law I: Geometry of the ellipse
- Newton's Laws of Motion
Newton's Laws: Mass (Law I), Weight, Volume
Newton's Laws: speed
Newton's Laws: velocity
Newton's Laws:acceleration (Law II)
Newton's Laws: Law III
Newton's Laws: Law III for a planet and the Sun
Ray Optics:
Ray optics: the lens; focal length, object at infinity
Planetary Physics:
Planetary physics: atmospheric pressure
Planetary physics: transit/occultation timing of Jovian moons
Planetary physics: Orbital velocity of Jovian Moon from Doppler shift
Solar pedagogical:
Sun: polarity of spots within sunspot group and global dipole field
Galactic co-ordinates and Rotation curve:
Galaxy: Galactic latitude and longitude
Galaxy: Galacto-centric distance; relation to galactic co-ordinates
Galaxy: H I 21 cm mapping
Galaxy: Rotation curve; applying Kepler III
Galaxy: Rotation curve; massing entire visible disk region
Galaxy: Spiral arms
External spiral galaxy: Rotation curve
Not so unique images: some version of these can be found in most commercial galleries
The Spectroscopic Principal; Spectral Absorption Lines
Plotting a spectrum; spectral line shapes
``Peeling'' a star with spectroscopy
Semi-detached binary; Nova precursor
Eclipsing binary
Eclipsing binary - hi res TIF version
Globular star cluster
Solar diagram
As yet unclassified:
