Review: Celestial Sphere

• geometry animated here
• coordinates
• constellations -- cover the sphere like states on a map

Sun Motions

• through celestial sphere: ecliptic plane here and Zodiac constellations "unrolled" here
• Sun motion w.r.t celestial sphere: real-time images and movies of the Sun (LASCO C3 camera on SOHO; searchable images)

Moon Motions

Phases of the Moon

• phases named
• Earth-Moon-Sun Geometry animated

Eclipses

• geometery of orbits
• Lunar
  • total, moonrise in eclipse, time lapse
• Solar
  • partial, over the Golden Gate,
  • total--over Turkey: zoom, time lapse
  • high-res annular, composite of rare hybrid event
  • diamond ring
  • Moon at closest and farthest (perigee/apogee)
  • eclipse path animation
  • looking down on an eclipsed Earth

Epic Eclipse of 2017

• Solar corona in totality
• AAS site
• NASA looks down
• telescope movie
• It's the Law! Illinois was the best eclipse site on Earth: 2017 Eclipse Resolution

Planet Motion

• Location on celestial sphere
  • four-planet sunset
  • trailing planets
  • Clementine lunar orbiter view of the Moon, Sun, Saturn, Mars, and Mercury.
• Normal (direct) motion: SOHO/LASCO movie of Mercury conjunction
• Retrograde motion: animation