Editing Cosmology
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*Draw a log-log diagram with X-axis to be scale factor of the universe and Y-axis to be the density. Plot the density evolution of the universe on the diagram. | *Draw a log-log diagram with X-axis to be scale factor of the universe and Y-axis to be the density. Plot the density evolution of the universe on the diagram. | ||
− | *Write down the Friedmann equation (in terms of Omegas). | + | *Write down the Friedmann equation (in terms of Omegas). |
**Interpreting this as an energy equation, what terms correspond to total energy, potential energy, and kinetic energy? | **Interpreting this as an energy equation, what terms correspond to total energy, potential energy, and kinetic energy? | ||
− | **How does the potential energy vary with the scale factor (draw a plot) | + | **How does the potential energy vary with the scale factor (draw a plot). |
**Calculate the scale factor at the maximum potential energy. | **Calculate the scale factor at the maximum potential energy. | ||
**Show where we are today on the plot. | **Show where we are today on the plot. |