Astronomy 2e III — Galaxies and the Evolving Universe

The third of four courses adapted from Astronomy 2e, moving from the Milky Way through galaxy populations, active nuclei, the cosmic web, Big Bang evidence, dark matter, dark energy, and model-dependent cosmological measurements.

3 sections · 8 lessons

Course outline

Galactic Evidence

  1. Map the Milky Way from Within
  2. Galaxies Are More Than Shapes
  3. Distance Turns Redshift into History

Growth and Structure

  1. Small Nuclei Outshine Galaxies
  2. Galaxies Grow Through Encounters
  3. The Cosmic Web Reveals Missing Mass
  4. Reconstruct a Cluster Collision

Cosmic History

  1. Three Pillars of the Hot Big Bang
  2. Measure an Uncertain Cosmos
  3. Audit a Cosmology Headline

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