Review of Final Exam for The Planets | ASTR 105G, Exams of Astronomy

Download Review of Final Exam for The Planets | ASTR 105G and more Exams Astronomy in PDF only on Docsity! Name: Date: 18 Review for Final Exam 18.1 Introduction This lab is designed to start preparing you for the final exam in this class. You will be responsible for the material you learned in lab on the final exam! Today you will revisit the most important points from each lab by answering these questions, which you will go over at the end of today’s lab. Thus, by the end of lab today you should know what kind of questions to expect about the labs, as well as the answers to those questions. The questions are broken down by lab, so it should be clear where you can find the answers if you do not remember them. Make the most of this class period by making sure you understand the important points from all of the labs! 18.2 Lab Review Questions Lab 2: Scale Model of the Solar System 1. Based on the scale model of the solar system that we built on the football field, describe the spacing of the planets relative to the Sun and to one another. 2. If the entire solar system were scaled down to 100 yards in size, how big would the Sun be? How about a giant planet (e.g. Jupiter)? How about a terrestrial planet (e.g. Earth)? Lab 3: Phases of the Moon 1. What is the shape of the 3rd-quarter Moon’s appearance, what time of day does it rise, and what time of day is this phase of the Moon at its highest point in the sky? 195 2. The Moon was most recently at its Full Moon phase on April 13th. When will/did the next New Moon occur? When will the next Full Moon occur? Lab 4: Density 1. What is the definition of density? 2. List the following in order of decreasing density: lead, ice, styrofoam, silicate rock, iron Lab 5: Reflectance Spectroscopy 1. Describe how the distinction between a red tee-shirt and a blue tee-shirt is different from a red star vs. a blue star. [Think about what causes a star to be red or blue; is this the same cause for a tee-shirt color?] 2. Describe the color difference between Mars and Venus in the context of this lab. Why does one (which one?) appear to be much redder in color? Lab 6: Locating Earthquakes 1. How is the study of earthquakes used to learn about the interior of the Earth? 196 2. If Object 2 is twice as hot as Object 1, will it emit more or less radiation than Object 1? [Bonus question: how much more or less?] Lab 11: Building a Comet 1. Draw a picture of a comet, labeling all of its parts. 2. What causes the tails of a comet, and are they always visible? 3. Describe the two reservoirs of comets. Where are they located? 4. How does the internal strength of a comet compare to that of an asteroid? Why are they different? Lab 12: Extra-Solar Planets 1. Describe the technique that has been employed to detect the presence of nearly all of the extrasolar planets that we know to be orbiting other stars in our Galaxy. 2. Even if an Earth-like planet exists in orbit around another star, the technique described above would not currently indicate the presence of that Earth-type 199 planet. Why not? Lab 13: The Sun 1. What are sunspots, and what leads to their formation? 2. List and describe the three interior regions of the Sun. 3. What is differential rotation? 200