Spectroscopy
- Analyzing light
- Allows us to identify elements in the Universe
- Composition of stars
- Interactive spectroscopy tool
History
- Isaac Newton used prisms and lenses
- Saw rainbows coming from sunlight
- Fraunhofer in 1814 magnified rainbows to look closer
- Saw rainbows were not solid
- Bunsen burners in 1857
- Different chemicals into flame --> different colours
- Gustav Kirchhoff --> prism
- Tied together the gaps and the different colours
- Found colours were made up of emission lines
- Number of lines and colours were unique to each element