PPT-Apparent Motion of the Stars

Sample Exam Images from APOD TWAN What direction was the camera pointed What can you say about the location the image was taken from Comet and colorful tails were imaged from Home Observatory in Mackay Queensland Australia In what direction was the camera facing when the image was obtained. 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?. 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:. Exam on Monday. I’ll have a Mock exam to work on Friday. Solar Eclipse. Freds_excellent_eclipse.mpg. Solar Eclipses . Umbra. – region of total shadow. Penumbra. – region of partial shadow. Totality lasts only a few minutes!. 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 . How big are stars?. How far . away?. How . luminous?. How hot?. How old, and how much longer to . live?. C. hemical . composition?. How are they moving?. Are they isolated or in clusters?. 1. How Far Away are the Stars?. 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. 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. How does it scale?. Properties of objects scale like the . perimeter. , the . area. or the . volume. Mass scales like the volume (“more of the same stuff”). A roof will collect rain water proportional to its surface area. 5-ESS1-1. Support an argument that differences in the apparent brightness of the sun compared to other stars is due to their relative distances from the Earth.. Step 1. Choose image: axolotl salamander. Aristotle’s Astronomy (and enough physics to be getting along with). 9/19/13. 1. s. ome pictures of the cosmos. 9/19/13. 2. Celestial phenomena. Motion of the stars, motions of the sun. Look for the daily, or .