21 | Lecture 27: Deep Time - The Age of the Earth 2006-10-30 |
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22 | Lecture 26: Telescopes 2006-10-27 |
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23 | Lecture 25: Measuring Light - Spectroscopy 2006-10-26 |
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24 | Lecture 24: Matter and Light 2006-10-25 |
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25 | Lecture 23: Worlds Within: Atoms 2006-10-24 |
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26 | Lecture 22: Light the Messenger 2006-10-23 |
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27 | Lecture 21: The Rotation and Revolution of the Earth 2006-10-19 |
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28 | Lecture 20: Tides 2006-10-18 |
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29 | Lecture 19: Orbits 2006-10-17 |
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30 | Lecture 18: The Apple and the Moon - Newtonian Gravity 2006-10-16 |
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