P1.1 The solar system

Saturn's rings
Simulation - Build your own solar system
Video - It's OK to be Smart - How big is the solar system?
video - crash course in astronomy
Podcasts - The history of astronomy part   1    2    3    4    5

P1.2 Refracting telescopes

Video - Newton's Telescope
Bending light simulation
Video - Eyes on the Skies - History of the telescope
Refracting the alphabet
Microscopic laser shadowing

P1.4 Reflecting telescopes
Video - Eyes on the Skies - History of the telescope
Video - How telescopes work

P1.5 Waves
Video - Introduction to waves