Fifty Shades of Green: an Intro to Remote Sensing

photo by Alex Siale on Unsplash

You see it everyday, but do you know what light really is? Light is a wave! Not a wave of matter but a wave of energy. This wave is created by the sun and reach the earth in 8 minutes and 20 seconds. Human can see a certain amount of light and not all the waves can be seen by our eyes. We can only see waves with a length of 400 to 800 nm. The…