| Theoretical Framework |
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| • | Sections
5.1-5.4 cover underpinnings of |
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| GR
(curved spaces, space-time metrics) |
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| and
in particular the Robertson-Walker |
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| metric
that we will need to describe the |
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| universe. |
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| • | Read
and follow these sections, but we |
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| don’t
have the lecture time to go into |
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| much
detail with the perspective of |
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| observational
astronomers in a mixed |
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| galaxies/cosmology
course. |
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