Galaxies and Our Universe: Past, Present, and Future
Galaxies and Our Universe: Past, Present, and Future
- Presentation by Prof. Hall
- Types of Galaxies
- Groups of Galaxies: Sloan Digital Sky Survey mosaic of the Virgo Cluster of galaxies
- The Motion of Galaxies & the Expansion of the Universe
- Discovering Hubble's Law (Chapter 15 LL applet)
- Hubble Expansion of the Universe (Chapter 15 UL applet)
- Balloons!
- Share a balloon with two other classmates
- Look at two points on the balloon
- Have a friend SLOWLY blow up the balloon
- See how those two points move apart?
- Take turns looking at the balloon while it's blown up
- It doesn't
matter which two points you look at, they ALL move away from each other!
- Formation of Galaxies
- Galaxy Collision Animation (Chapter 15 CR anim) & photo (Chapter 15 LL)
- What kind of stuff makes up the Universe?
- Large-Scale Structure of the Universe (Chapter 16 UC applet)
- What will happen to the Universe in the future?
- Orbital Trajectories of Cannonballs (Chapter 16 UC applet)
- Dependence of Escape Velocity on a Planet's Mass (Chapter 16 LC applet)
- Evolution of the Universe: Dependence on Dark Energy (Chapter 16 LL applet)
HEAD
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