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Jacqueline Howard: Looking into the Past (6:50)

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

  1. 01:12 What is one light-year? How far is it?
  2. 01:49 How long ago did the light that you’ll see from the North Star tonight actually leave it?
  3. 04:33 Describe the evidence that Edwin Hubble discovered in the 1920s that suggested the Universe is expanding.
  4. 05:55 What is the significance of the Hubble eXtreme Deep Field?
  5. 06:36 What is the goal of the James Webb Space Telescope?