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Kirchhoffs Laws

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A Parable: Playing the Piano. All notes allowed! Kirchhoff's First ... What We Learn. Cosmic Abundances. Simple in Principle: Collect and Disperse the Light ... – PowerPoint PPT presentation

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Title: Kirchhoffs Laws


1
Kirchhoffs Laws

2

3
The Pessimist
  • On the subject of stars, all investigations
    which are not ultimately reducible to simple
    visual observations arenecessarily denied to us
    We shall never be able by any means to study
    their chemical composition.
  • A. Comte (1835)

4
The Spectrum of a Starnote the missing colours
the broken piano keys
5
The Spectrum of the Suna historical drawing
6
A Parable Playing the Piano
  • All notes allowed!

7
Kirchhoffs First Law
8
Favourite Keys
  • Only the As

9
Kirchhoffs Second Law
10
K-1 and K-2
11
The Paradox

12
Kirchhoffs Third Law
13
Example A Stellar Spectrum
14
Where Does It Happen?
15
The Suns Spectrum in Detail
16
Other Stars
17
What We Learn Cosmic Abundances
18
Simple in Principle Collect and Disperse the
Light

19
Complex Details and Interpretations(here,
sunlight reflected from Mars)
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