PPT-One physical property of a star is apparent magnitude. Which of the following is used

A the constellation the star is in B the distance the star is from Earth C the number of times the star rotates D the number of prominences the star makes Scientific knowledge may change as new evidence or information is discovered Which of the following would NOT be a result of new scientific research and information. A. the constellation the star is in . B. the distance the star is from Earth . C. the . number . of times the star rotates . D. the number of prominences the star makes . Scientific knowledge may change as new evidence or information is discovered. Which of the following would NOT be a result of new scientific research and information. Introduction. Introduction. Administrative Matters. Syllabus. Best guess at this time. NOT cast in granite. General Information. Text. Exams and Quizzes. Labs. Observatory. Class Evaluation. Web Access. Measuring the Stars. Chapter 10. Measuring the Stars. Units of Chapter 10. The Solar Neighborhood. Luminosity and Apparent Brightness. Stellar Temperatures. Stellar Sizes. The Hertzsprung–Russell Diagram. 10 Measuring . the Stars. Units of Chapter 10. The Solar Neighborhood. Luminosity and Apparent Brightness. Stellar Temperatures. Stellar Sizes. The . Hertzsprung. –Russell Diagram. Extending the Cosmic Distance Scale. This is hard!!!. Lesson Objectives. To relate the apparent magnitude scale to the brightness of stars.. To perform simple calculations relating magnitude differences to brightness ratios.. To distinguish between apparent magnitude and absolute magnitude. 101. Fall 2013. Lecture 8. T. Howard. Measuring the Stars. How big are stars?. How far away?. How luminous? How hot?. How old & how much longer to live?. Chemical composition?. How are they moving?. This triangle should be 4,500 times longer!. d . (distance to star) . is in parsec units . 1 parsec = 206,265 . x. 1 A.U.. ab. . (distance Earth to Sun) . has to be in Astronomical Units (A.U.). p. Key Ideas. Distance is the most important & most difficult quantity to measure in Astronomy. Method of Trigonometric Parallaxes. Direct geometric method of finding distances. Units of Cosmic Distance:. bellwork. . You . have . 9 . minutes . to do both.. Please . read . and. answer . the 3 following questions:. What is luminosity?. Where does our Sun rank among stars?. How are . color. and . brightness. Brightness and Distance. Concept -1 – Temperature. λ. max. (. metres. ) = . 2.90 x 10. -3 . m k. . T (Kelvin). λ. max. = . Peak black body wavelength. T = The star’s surface temperature in . Overlapping rungs:. Earth. Earth-Mars. Earth’s orbit. Parallax. Spectral “Parallax”. RR Lyrae variables. Cepheid variables. Type I Supernovae. Type II Supernovae. Galaxy brightness. Measuring Earth - Geometry. 9. th. grade science. Unit 4 – Measuring Stars. Create a Unit cover page for unit 4. (You will copy all of the unit 4 objectives on this page). Create a Unit 4 WWK page. Create a Unit 4 Must do page. Ursa. Minor (Little Dipper). Ursa. Major (Big Dipper). Cassieopa. Cepheus. Draco. Orion. Bootes. Capella. Castor & . Pollux. (Gemini). Corona Borealis. Saggitarius. Hercules. Fomahault. (Pieces). Chapter 17. How do stars differ? Is . the Sun typical?. Image . of Orion illustrates:. The huge number of stars. Colors. Interstellar . gas. How can we describe/classify stars. ?. Location. Temperature.