Introduction to the Solar System: Crash Course Astronomy #9
Introduction to the Solar System: Crash Course Astronomy #9
You’ve heard of the Big Bang, and you know what the current solar system looks like. Now, here is a look at what happened in between.
Key Ideas
As this video progresses, key ideas will be introduced to invoke discussion.
Key Ideas
Think about the following questions as you watch the video
- 01:59 What kind of model did Copernicus propose for the Universe? One that changed people’s views on Ptolemy’s idea of a geocentric Universe?
- 04:07 Why does Phil Plait assert that you can’t define a planet?
- 05:34 What facts or trends does Plait claim are giving us hints about how the Solar System was formed?
- 06:20 What is angular momentum and how does it work?
- 06:50 What are planetesimals and how are they formed?
- 08:08 Why did some material form planets and other material did not?