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http://www.msoe.edu/community/admissions/financial-aid/financial-aid-department/blog/authors/3664. Quick reminders. The distance from the Sun to Earth is one AU (1.49x10 8 km). It takes the light from the Sun to get to Earth in 8 minutes What are Cepheid variables? (study guide)
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http://www.msoe.edu/community/admissions/financial-aid/financial-aid-department/blog/authors/3664http://www.msoe.edu/community/admissions/financial-aid/financial-aid-department/blog/authors/3664
Quick reminders • The distance from the Sun to Earth is one AU (1.49x108km). It takes the light from the Sun to get to Earth in 8 minutes • What are Cepheid variables? (study guide) • What kind of reactions occur in the core of stars? (study guide)