AS101 Lecture 4 Mini Notes

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as101 chapter 4aerage wavelength=0.0005 mmradiowaves have longer wavelengths than IR wavesmicrowave transmissions used for radar and microwaves- have wavelengths from about 1 mm to a few cmlight behaves like a wave and a particlea particle of light is called a photonamount of energy photon carries depends on wavelength- shorter wavelength photons carry more wavelength and vice versa- left side of spectrum has more energy and vice versarefracting and reflecting telescopesboth form small inverted imageshubble space telescopejames webber telescopechandra xray observatory: star formations and monster black holes