Crash Course: Stars & Galaxies (14:07)
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
- 03:13 What pulled together the hydrogen and helium atoms found in space not long after the Big Bang? What was the result?
- 05:13 Will Earth be affected by the collision of the Milky Way and Andromeda galaxies?
- 08:45 At what temperature do hydrogen and helium atoms fuse together?
- 09:50 Do bigger stars live longer or do smaller stars?
- 10:22 Where do the metals heavier than iron come from?
- 11:59 Where did the metal in the ring on John’s finger come from?