Lecture Notes for ASTR 1020 - Stellar & Galactic Astronomy at North Georgia (NGCSU)

Notes Information

Material Type:Study Guide
Class:ASTR 1020 - Stellar & Galactic Astronomy
University:North Georgia College & State University
  • On the Left
  • On the Right
  • Isaac Newton
  • Energy Levels
  • Emission-Line Spectrum
  • Emission Line Spectrum
  • Complicated
  • Transparent
  • Line Spectrum
  • Absorption Line
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Astronomy 1020 Study Guide – Chapter 5(4th Ed.) Chapter 5 page Column Keywords 146 right power – watt right spectrum 147 left red, orange, yellow, green, blue, violet diffraction grating light interacts with matter in four general ways right orange dots emission absorption transmission reflection light may be scattered transparent opaque 148 left experiments performed by Isaac Newton in the 1660s particles right waves – peaks & troughs particle is a thing wave is a pattern wavelength 149 left frequency –> unit = cycle/s = hertz(Hz) wavelength x frequency = speed photon field right electromagnetic wave speed of light in vacuum = 3 x 108 m/s shorter wavelength = higher frequency = higher energy longer wavelength = lower frequency = lower energy 150 left light particles = photons light = particles & waves 151 right visible light electromagnetic radiation electromagnetic spectrum 1 nm = 1 x 10-9 m = 10Å infrared radio waves 152 microwave...

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