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What do you know?
  1. The Hubble Space Telescope is a well-known observatory that has made many interesting discoveries over the past 17 years. Ask your teacher to tell you how his or her view of the universe has changed over the past 17 years. (See answer)
  2. Which of the discoveries discussed in the story is the most interesting to you? Explain why it is interesting. (See answer)
  3. Look at the image of the Carina Nebula. What questions would you ask an astronomer about the features in the image? (See answer)