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Grades 11 and 12 - Physics - Senior High School - Waves - The Expanding Universe
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Grades 11 and 12 - Physics - Senior High School - Waves - The Expanding Universe
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10 Questions

1. How do we know that the Universe is currently expanding?
2. What types of radiation are emitted by the Sun?
3. 'In space no one can hear you scream' was a famous movie quote, but is that actually true and why?
4. How long does it take the light from the sun to reach us?
5. The faster a star or galaxy is moving (relative to us), we say that the redshift is …
6. The shift seen when an object is moving towards us is not red, it is …
7. If scientists find new evidence that doesn’t support the Big Bang Theory, what should other scientists do?
8. What is blueshift?
9. How do we know black holes exist if we cannot see them?
10. What happens to the wavelength of light from stars that are moving away from us?

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