The Sun
Stars
The Moon
Living Organisms
Volcanic Eruptions
Incandescent Sources
Gas Discharge Sources
Fireworks
Northern Lights
Fluorescent Lights
Candles
Laser Beams
Campfire
Arc Lamp
Optical Fibre Lamp
Hint: What did you like in the website and what you did not like? Were you able to find what you were looking for? What features do you think should be there on the website?
