Watch this Video and answer the following questions in your own comment.
- How does Katy's reflecting telescope work?
- What materials did Katy use to make her telescope?
- Have you ever looked through a telescope? If so, how easy was it to see the object in the sky?
- How do telescopes help us understand the universe?
- What other things could be used to look at the moon and stars? How effective would they be?
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