'Hotter stars' presentation slideshows

Homework 8 will be posted shortly

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Units to cover: 55, 56, 59, 60

Units to cover: 55, 56, 59, 60. Homework 7. Unit 53. Problems 14, 18, 19, 20, 21, 22. Unit 26. Problem 12, 18, 20. If a new planet were found with a period of revolution of 6 years, what would be its average distance from the Sun?. a. About 1AU b. About 3.3 AU c. About 6 AU

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Sizing up Stars

Sizing up Stars. The sun is the star at the center of our solar system , and the one we know the most about. . It is close enough to us that we can measure its size precisely. Astronomers use the sun as the benchmark for comparing and describing all other stars. .

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