An eclipse of the Sun Illustration Play

Areas during an eclipse Whiteboard exercise Play

Deflection of a beam of light Animation Play

Eclipse contacts Whiteboard exercise Play

Eclipses Class activity Play

Eclipses Whiteboard presentation Play

Eclipses Animation Play

Light and sound Student activity Play

Lightning and thunder Slideshow Play

Lunar eclipse Animation Play

Phases of the Moon during an eclipse Whiteboard exercise Play

Roemer's proof Student activity Play

Solar eclipse and lunar eclipse Student activity Play

Solar eclipse and lunar eclipse Whiteboard exercise Play

The areas formed during a lunar eclipse Whiteboard exercise Play

The course of a lunar eclipse Student activity Play

The course of a lunar eclipse Animation Play

The course of a lunar eclipse Whiteboard exercise Play

The course of a solar eclipse Animation Play

The course of a solar eclipse Whiteboard exercise Play

The course of a solar eclipse Student activity Play

The eclipses of Io Animation Play

The soonest eclipse Illustration Play

The speed of light Whiteboard presentation Play

Time delay Simulation Play