CITC14H3 Lecture Notes - Lecture 2: Sodium-Vapor Lamp, Light Pollution, Star Chart
Document Summary
> what are the ways that light pollution affects our environment. Reminds the scale of the world - vague sense of the universe, We wouldn"t know about the milky way galaxy - won"t really know about the world we live in. Asteroids - finding asteroids depends on having extremely dark skies - light directly competes with our ability to see the light produced by the universe - losing the ability to identify earth killing asteroids. Seeing the star is like seeing the earth from space - more than just humans losing the night. Sea turtles - light situation changed, instead of going towards the water they go towards the brighter light. When hatchlings hatch they only have a few mins before going to the sea before falling prey to predators - never make it to the water, lost to disorientation. Humans - 12 hours of darkness and brightness - dramatic use of electric lighting -
