Maria_Mento_Unit 4_Lab 7

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Apr 3, 2024

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NAME Maria Mento Unit 04: Lab 7 Procedure: 1. You must first install your copy of Starry Night College – unless you have already installed it. 2. When you open Starry Night College, click on the home button near the top left. 3. You should see the Starry Night Guide on the left. If not, you may need to click on the Sky Guide folder on the left, first. 4. Choose Student Exercises . 5. Then Tutorial (Prerequisite) – unless you have already completed the Tutorial. 6. To answer the questions in Lab 1, you must complete the activities in the following: E: Star Finding and Constellations E2: The Magnitude Scale F: The Stars F1: Our Star, the Sun F2: Stellar Parallax F3: Proper Motion of the Stars F4: Inverse-Square Law: Apparent Brightness and Luminosity F5: The Solar Neighborhood F6: The Hertzsprung-Russell Diagram 7. The questions you will encounter are shown below (Breadcrumbs before each question help ensure you are completing the correct activities to answer the correct questions.). 8. Answer the Questions on this worksheet by placing the letter of the choice you think is correct in the blank at the left of each Question. 9. When you are finished, save this document with your answer choices. 10. Be sure to put your first and last name and “Lab 7” in the filename when you save it. 11. Upload your newly completed document in the Lab 7 assignment from which you downloaded this document. Student Exercises >> E: Star Finding and Constellations >> E2: The Magnitude Scale >> 1: Apparent Magnitude B Question 1: A magnitude 2 star is brighter than a magnitude 4 star. a. 2.512 b. 6.31 c. 15.85 d. 100 B Question 2: Which of the following four stars from the constellation Orion is the faintest? a. Bellatrix b. Mintaka c. Alnitak d. Saiph
Student Exercises >> E: Star Finding and Constellations >> E2: The Magnitude Scale >> 2: Magnitudes of Solar System Objects __A__ Question 3: The Sun is the brightest object in the sky visible from Earth. What is the apparent magnitude of the Sun? a. 26 b. 0 c. – 12 d. – 26 __C__ Question 4: What is the second brightest object in the sky? a. Full Moon b. First Quarter Moon c. Venus d. Sirius Student Exercises >> E: Star Finding and Constellations >> E2: The Magnitude Scale >> 3: Comparing Brightness of Objects __D__ Question 5: How much brighter is the planet Venus than the planet Mars on January 24, 2015? a. 5.1 times brighter b. 13 times brighter c. 37 times brighter d. 109 times brighter Student Exercises >> E: Star Finding and Constellations >> E2: The Magnitude Scale >> 4: Absolute Magnitude __C__ Question 6: What is the absolute magnitude of the star Deneb? a. 8.75 b. 11.3 c. – 8.75 d. – 11.3 Student Exercises >> F: The Stars >> F1: Our Star, the Sun >> 1: The Sun’s Atmosphere __C__ Question 1: Approximately how long does it take for the Sun to complete one rotation? a. 10 days b. 16 days c. 26 days d. 100 days __A__ Question 2: Where on the Sun ar you located? a. The Sun’s equator. b. The Sun’s north pole. c. The Sun’s south pole. d. The Sun’s interior.
Student Exercises >> F: The Stars >> F1: Our Star, the Sun >> 2: The Sun’s Neighborhood __D__ Question 3: About how far away are our neighboring stars? a. Billions to millions of light years away. b. Millions to thousands of light years away. c. Thousands to hundreds of light years away. d. Hundreds to tens of light years away. Student Exercises >> F: The Stars >> F1: Our Star, the Sun >> 3: Our Star __B _ Question 4: Sometimes, the solar images appear smooth and featureless. What does this tell us about the Sun? a. The Sun is at a peak of magnetic activity. b. The Sun’s magnetic activity is at a very low level. c. The imaging systems are not working. d. The solar corona is too thick for photospheric details to show. Student Exercises >> F: The Stars >> F2: Stellar Parallax >> 1: Measuring Stellar Parallax __D__ Question 1: What is the parallax of Alpha Centauri? Hint: Refer to the parallax diagram on the previous page. a. 2 arc minutes b. 2 arc seconds c. 1 arc minute d. 1 arc second __C__ Question 2: What is Alpha Centauri’s approximate distance from Earth? a. 0.008 parsecs b. 0.05 parsecs c. 1 parsec d. 2 parsecs Student Exercises >> F: The Stars >> F3: Proper Motion of the Stars >> 1: Proper Motion __B__ Question 1: Which of the following stars shows the greatest proper motion? a. Sirius b. 82 Eridani c. Procyon d. HIP 37853 Student Exercises >> F: The Stars >> F3: Proper Motion of the Stars >> 2: Barnard’s Star __A__ Question 2: What is the average annual proper motion of Barnard’s star? a. 10.3 arc seconds b. 20.6 arc seconds c. 5.15 arc seconds d. 15.8 arc seconds
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