Chapters 26 And 27
Watch the first video in the Instructor Insights Section of Week 10:
http://www.youtube.com/watch?v=17jymDn0W6U (Watch this one on a big screen if you can!!)
And read about Light Years here:
Respond to the following:
- What did you learn from the video about the size of our solar system?
- What did you learn about the size of our galaxy?
- What did you learn about the size of the known universe?
- Why do we measure astronomical distances in Light Years?
Please include any reactions you had to the video