CONS 127 Lecture 7: CONS 127 - The Electromagnetic Spectrum Jan 30 2018
21 Sep 2018
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** a good midterm question would be this question. Should review: canadarm: arm that is on the iss and the space shuttles. Lots of photos were taken by hadfield well known photographer: urthecast: video camera stays on the space station and films what is going on the earth"s surface, radarsat satellite designed to see snow, ice. "i do not want you to memorize the equations. I will not ask you any question related to equations. " Well, the fundamental unit of radiation is the photon. Photons come out of anything that has a temperature. i. e. any objects anywhere on the earth or in the universe that has a temperature is emitting photons. I am emitting photons, you are emitting photons, we all are! Though we think of it as cold, any object that has a basic temperature is emitting photons! . However-- the amount of photons you emit depends on your temperature. The sun is the hottest object we know!
