M3 EXAM 1.2 _ Introduction to Astronomy_ 2024SPI-ASTRO-010-101

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Evergreen Valley College *

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Astronomy

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Feb 20, 2024

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1/4/24, 3:14 PM M3 EXAM 1 : Introduction to Astronomy: 2024SPI-ASTRO-010-101 https://sjeccd.instructure.com/courses/40207/quizzes/268712 1/29 M3 EXAM 1 Due Jan 7 at 11:59pm Points 100 Questions 50 Available until Jan 8 at 11:59pm Time Limit 60 Minutes Allowed Attempts 2 Instructions Attempt History Attempt Time Score KEPT Attempt 2 20 minutes 100 out of 100 LATEST Attempt 2 20 minutes 100 out of 100 Attempt 1 35 minutes 98 out of 100 Correct answers are hidden. Score for this attempt: 100 out of 100 Submitted Jan 4 at 3:14pm This attempt took 20 minutes. Instructions There are 50 multiple choice questions based on the material covered in Modules 1-3. The exam is open book with a one hour time limit. You will have two attempts; Canvas will keep your higher score. If you plan on taking the exam a second time, please take at least two hours to study the material before you start the second attempt. Grading 2 points per question, 50 questions = 100 points possible. Expected Time on Task: 1 hour 2 / 2 pts Question 1
1/4/24, 3:14 PM M3 EXAM 1 : Introduction to Astronomy: 2024SPI-ASTRO-010-101 https://sjeccd.instructure.com/courses/40207/quizzes/268712 2/29 Is it possible for people to do astronomy at their home? Yes, they can see the Sun, Moon, stars and some planets, and can watch them rise and set No, unless they have a powerful enough telescope 2 / 2 pts Question 2 What is science? A body of knowledge A method by which we attempt to understand nature and how it behaves Both of these 2 / 2 pts Question 3 Which is the largest? Earth Sun Moon
1/4/24, 3:14 PM M3 EXAM 1 : Introduction to Astronomy: 2024SPI-ASTRO-010-101 https://sjeccd.instructure.com/courses/40207/quizzes/268712 3/29 2 / 2 pts Question 4 Which of these would be a good resource for someone looking to learn about astronomy? A local astronomy group webpage A magazine about astronomy An astronomy club at a local college or university All of these 2 / 2 pts Question 5 In the scientific method, what is the interpretation of the results? A scientific question The data A conclusion 2 / 2 pts Question 6 A star sets directly in the West. Roughly how many hours until it is above the horizon again? 0 6
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1/4/24, 3:14 PM M3 EXAM 1 : Introduction to Astronomy: 2024SPI-ASTRO-010-101 https://sjeccd.instructure.com/courses/40207/quizzes/268712 4/29 12 24 2 / 2 pts Question 7 A star rises directly in the East. In what direction will it be 6 hours later? North and halfway up East and high South and halfway up West and low 2 / 2 pts Question 8 Imagine you see the star Vega low on the western horizon at 11:00 pm. 6 hours later what direction would you face (look) to see Vega?
1/4/24, 3:14 PM M3 EXAM 1 : Introduction to Astronomy: 2024SPI-ASTRO-010-101 https://sjeccd.instructure.com/courses/40207/quizzes/268712 5/29 Toward the south Toward the east Toward the west It would not be visible 2 / 2 pts Question 9 What is the name of constellation A? Cassiopeia The Big Dipper Saggitarius Scorpius
1/4/24, 3:14 PM M3 EXAM 1 : Introduction to Astronomy: 2024SPI-ASTRO-010-101 https://sjeccd.instructure.com/courses/40207/quizzes/268712 6/29 2 / 2 pts Question 10 Roughly how many hours out of a 24-hour day is a circumpolar star above the horizon? 0 12 24 2 / 2 pts Question 11 Who is most likely to use a star chart of constellations to find a particular star? An amateur astronomy out with her friends A professional astronomer communicating with other astronomers 2 / 2 pts Question 12
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1/4/24, 3:14 PM M3 EXAM 1 : Introduction to Astronomy: 2024SPI-ASTRO-010-101 https://sjeccd.instructure.com/courses/40207/quizzes/268712 7/29 As an observer watches a star rising directly in the East, in what direction will it move? Straight up toward zenith Horizontally toward the south Up at an angle, toward the south Down, beneath the horizon 2 / 2 pts Question 13 What constellation is this?
1/4/24, 3:14 PM M3 EXAM 1 : Introduction to Astronomy: 2024SPI-ASTRO-010-101 https://sjeccd.instructure.com/courses/40207/quizzes/268712 8/29 The Big Dipper Orion Cassiopeia Saggitarius 2 / 2 pts Question 14 Stars located near _____ appear to move in a circle over the course of 24 hours when viewed from San Jose. The Sun (center of the Solar System) Polaris (the North Star) Orion (with the star Betelgeuse) The Moon (in any phase) 2 / 2 pts Question 15 What constellation is this?
1/4/24, 3:14 PM M3 EXAM 1 : Introduction to Astronomy: 2024SPI-ASTRO-010-101 https://sjeccd.instructure.com/courses/40207/quizzes/268712 9/29 Orion Cassiopeia The Big Dipper Saggitarius 2 / 2 pts Question 16 A star rises directly in the East. Roughly how many hours out of a 24-hour day is it above the horizon? 0 6 12 24
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1/4/24, 3:14 PM M3 EXAM 1 : Introduction to Astronomy: 2024SPI-ASTRO-010-101 https://sjeccd.instructure.com/courses/40207/quizzes/268712 10/29 2 / 2 pts Question 17 In what direction was this photograph taken? Image credit: Samuele Errico Piccarini (https://unsplash.com/photos/Ya3FqJdKVaw) / CC0 West East North South Straight up 2 / 2 pts Question 18 When a circumpolar star is to the North just above the horizon, what direction does the observer see it moving?
1/4/24, 3:14 PM M3 EXAM 1 : Introduction to Astronomy: 2024SPI-ASTRO-010-101 https://sjeccd.instructure.com/courses/40207/quizzes/268712 11/29 Left (west) Right (east) Down (toward the horizon) Up (toward zenith) 2 / 2 pts Question 19 Assuming a star rises directly in the East at noon, at what time will it set? 6:00 am
1/4/24, 3:14 PM M3 EXAM 1 : Introduction to Astronomy: 2024SPI-ASTRO-010-101 https://sjeccd.instructure.com/courses/40207/quizzes/268712 12/29 6:00 pm Midnight It never sets 2 / 2 pts Question 20 A star rises directly in the East. In what direction will you look to see it set? North West East It never sets 2 / 2 pts Question 21
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1/4/24, 3:14 PM M3 EXAM 1 : Introduction to Astronomy: 2024SPI-ASTRO-010-101 https://sjeccd.instructure.com/courses/40207/quizzes/268712 13/29 In what direction was this photograph taken from San Jose? Image credit: ESO/B. Tafreshi (http://www.eso.org/public/images/potw1350a/) / CC BY-SA 4.0 (https://creativecommons.org/licenses/by/4.0/deed.en) East West North South 2 / 2 pts Question 22 Why do stars rise and set? Earth rotates on its axis
1/4/24, 3:14 PM M3 EXAM 1 : Introduction to Astronomy: 2024SPI-ASTRO-010-101 https://sjeccd.instructure.com/courses/40207/quizzes/268712 14/29 The celestial sphere spins one way and the Solar system spins the opposite way Stars revolve around the center of the Milky Way Galaxy 2 / 2 pts Question 23 Which of these photos of the horizon was taken at the equator? Photo A: Image credit: ESO/S. Brunier (https://commons.wikimedia.org/wiki/File:Ripples_Across_the_Chilean_Sky.jpg) / CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/deed.en) Photo B: Image credit: Denali National Park and Preserve (https://commons.wikimedia.org/wiki/File:Denali_Star_Trails_-
1/4/24, 3:14 PM M3 EXAM 1 : Introduction to Astronomy: 2024SPI-ASTRO-010-101 https://sjeccd.instructure.com/courses/40207/quizzes/268712 15/29 _Jacob_W._Frank_(6919175676).jpg) / CC BY 2.0 (https://creativecommons.org/licenses/by/2.0/deed.en) Photo C: Image credit: 0x010C (https://commons.wikimedia.org/wiki/File:2016- 05_Grand_Ballon_circumpolar_star_trails_02.jpg) / CC BY-SA 4.0 (https://creativecommons.org/licenses/by-sa/4.0/deed.en) A B C Any of the above 2 / 2 pts Question 24 What constellation is this?
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1/4/24, 3:14 PM M3 EXAM 1 : Introduction to Astronomy: 2024SPI-ASTRO-010-101 https://sjeccd.instructure.com/courses/40207/quizzes/268712 16/29 The Big Dipper Saggitarius Orion Cassiopeia 2 / 2 pts Question 25 In which direction was this photographer looking? Image credit: 0x010C (https://commons.wikimedia.org/wiki/File:2016- 04_Tour_de_la_Miotte_circumpolar_05.jpg) / CC BY-SA 4.0 (https://creativecommons.org/licenses/by-sa/4.0/deed.en) North South
1/4/24, 3:14 PM M3 EXAM 1 : Introduction to Astronomy: 2024SPI-ASTRO-010-101 https://sjeccd.instructure.com/courses/40207/quizzes/268712 17/29 East West 2 / 2 pts Question 26 What is the name of constellation C? The Big Dipper Cassiopeia Taurus Orion 2 / 2 pts Question 27
1/4/24, 3:14 PM M3 EXAM 1 : Introduction to Astronomy: 2024SPI-ASTRO-010-101 https://sjeccd.instructure.com/courses/40207/quizzes/268712 18/29 An atmosphere is required for which of the following landforms to occur on a planet? Sand dunes Volcanoes Meteor impact craters Divergent boundaries 2 / 2 pts Question 28 Which of the following landforms would form without a hot molten interior, without an atmosphere, and without liquid? Sand dunes Volcanoes Meteor impact craters Stream beds Divergent boundaries 2 / 2 pts Question 29 The Moon is large enough to be round
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1/4/24, 3:14 PM M3 EXAM 1 : Introduction to Astronomy: 2024SPI-ASTRO-010-101 https://sjeccd.instructure.com/courses/40207/quizzes/268712 19/29 to have a hot, molten interior to have an atmosphere to have a magnetic field to have auroras 2 / 2 pts Question 30 To determine if a planet has a hot, molten interior, scientists can look for a magnetic field volcanoes divergent ridges parallel deep trenches and mountains any of these 2 / 2 pts Question 31 To look for a planet with plate tectonics, it would be good to look for planets with large bodies of water deep trenches next to mountain ranges lots of impact craters
1/4/24, 3:14 PM M3 EXAM 1 : Introduction to Astronomy: 2024SPI-ASTRO-010-101 https://sjeccd.instructure.com/courses/40207/quizzes/268712 20/29 any of these 2 / 2 pts Question 32 Which is not an agent that modifies/changes a planet's surface? wind from the atmosphere lava from a volcano stream from liquid water radiation through the ozone 2 / 2 pts Question 33 Earth acquired its Moon when a Mars-sized object collided with an early Earth, and the pieces formed the Moon Earth attracted an asteroid, and it began to orbit a large volcano erupted, and some of the lava began to orbit Earth forming the Moon 2 / 2 pts Question 34
1/4/24, 3:14 PM M3 EXAM 1 : Introduction to Astronomy: 2024SPI-ASTRO-010-101 https://sjeccd.instructure.com/courses/40207/quizzes/268712 21/29 Which of the following is necessary for divergent plate boundaries to occur on a planet? Atmosphere Hot molten interior None of the above 2 / 2 pts Question 35 Which of the following is necessary for volcanoes to form on a planet? Liquid Atmosphere Hot molten interior None of the above 2 / 2 pts Question 36 Why does the Moon have so many more craters than Earth? The Moon's magnetic field is very strong, Earth's is weak Earth has volcanoes and plate tectonics, the Moon does not The Moon shields Earth from meteors and so it is hit more often
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1/4/24, 3:14 PM M3 EXAM 1 : Introduction to Astronomy: 2024SPI-ASTRO-010-101 https://sjeccd.instructure.com/courses/40207/quizzes/268712 22/29 2 / 2 pts Question 37 If the Earth were one-quarter its actual size (making it a small terrestrial planet so it has no hot interior), what might be different about its surface? No streambeds No impact craters No volcanoes 2 / 2 pts Question 38 A convergent plate boundary with a subducting tectonic plate is when the: Plates move towards each other Plates move away from each other Plates move side to side Plates do not move and are stable 2 / 2 pts Question 39 Venus and Earth are about the same size, so their interiors are roughly the same temperature. However, because Venus is closer to the Sun, it has a surface that is too hot for liquid water. What is one major difference between the features you would expect on the surfaces of these planets?
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1/4/24, 3:14 PM M3 EXAM 1 : Introduction to Astronomy: 2024SPI-ASTRO-010-101 https://sjeccd.instructure.com/courses/40207/quizzes/268712 23/29 Venus has fewer large impact craters than Earth Venus has fewer volcanoes than Earth Venus has fewer stream beds than Earth Venus's surface is essentially identical to Earth 2 / 2 pts Question 40 The planet with this landform must have: Image credit: U.S. Geological Survey (http://www.pbs.org/wgbh/nova/earth/volcano-parts.html) / a hot, molten interior
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1/4/24, 3:14 PM M3 EXAM 1 : Introduction to Astronomy: 2024SPI-ASTRO-010-101 https://sjeccd.instructure.com/courses/40207/quizzes/268712 24/29 an atmosphere seasons liquid 2 / 2 pts Question 41 This landform formed when: Image credit: moonietoons (https://pixabay.com/en/desert-sand-sand- dunes-death-valley-1435076/) / CC0 (https://creativecommons.org/publicdomain/zero/1.0/) winter changed into summer water flowed through a channel wind blew across the surface
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1/4/24, 3:14 PM M3 EXAM 1 : Introduction to Astronomy: 2024SPI-ASTRO-010-101 https://sjeccd.instructure.com/courses/40207/quizzes/268712 25/29 2 / 2 pts Question 42 A moon covered with numerous and very old craters created by meteorite impacts likely: orbits a large Jupiter sized planet has a relatively cool, solid interior has an ozone hole 2 / 2 pts Question 43 Before the mare basalt erupted on the Moon, the rate of meteor impacts was ____________ the rate was after the mare basalt had erupted. greater than less than the same as 2 / 2 pts Question 44 Why has the rate of meteor impacts decreased so much, considering the large number that occurred soon after the Moon formed? There are more meteors in the region of the Moon They all landed, and there are only a few left
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1/4/24, 3:14 PM M3 EXAM 1 : Introduction to Astronomy: 2024SPI-ASTRO-010-101 https://sjeccd.instructure.com/courses/40207/quizzes/268712 26/29 The meteors were all headed towards the Moon, now they are headed towards the Sun 2 / 2 pts Question 45 On the Moon, there are more impact craters on the: highlands because it is younger than the mare basalt highlands because it is older than the mare basalt mare basalt because it is harder than the highlands mare basalt because it is softer than the highland 2 / 2 pts Question 46 Which statement is true about the Moon and auroras (Northern and Southern lights)? The Moon has auroras because the solar wind affects its atmosphere The Moon has auroras because it has a magnetic field The Moon does not have auroras because it does not have a magnetic field or atmosphere The Moon does not have auroras because no solar wind hits it, and it has no atmosphere
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1/4/24, 3:14 PM M3 EXAM 1 : Introduction to Astronomy: 2024SPI-ASTRO-010-101 https://sjeccd.instructure.com/courses/40207/quizzes/268712 27/29 2 / 2 pts Question 47 Which of these graphs best shows how the rate of impact craters forming on the Moons surface changed through time? Accessible text description of this diagram (https://sjeccd.instructure.com/courses/40207/pages/long-desc-m3-exam- q70) A B C 2 / 2 pts Question 48 What is the coordinate system of a professional astronomer’s celestial sphere? The equator and poles, which are measured in kilometers and are straight up and down
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1/4/24, 3:14 PM M3 EXAM 1 : Introduction to Astronomy: 2024SPI-ASTRO-010-101 https://sjeccd.instructure.com/courses/40207/quizzes/268712 28/29 Right ascension and declination, which are measured in degrees and locate any point in the sky Zenith and a horizon, which are measured in angles and help find rising and setting stars 2 / 2 pts Question 49 This grid represents a portion of the celestial sphere. What are the correct coordinates for star B? Accessible text description of this diagram (https://sjeccd.instructure.com/courses/40207/pages/long-desc-m3-exam- q73-78) R.A 75 Dec 30 o o R.A 60 Dec 0 o o R.A 105 Dec 20 o o R.A. 105 Dec -20 o o
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1/4/24, 3:14 PM M3 EXAM 1 : Introduction to Astronomy: 2024SPI-ASTRO-010-101 https://sjeccd.instructure.com/courses/40207/quizzes/268712 29/29 2 / 2 pts Question 50 This grid represents a portion of the celestial sphere. What are the correct coordinates for star C? Accessible text description of this diagram (https://sjeccd.instructure.com/courses/40207/pages/long-desc-m3-exam- q73-78) R.A 75 Dec 30 o o R.A 60 Dec 0 o o R.A 105 Dec 20 o o R.A. 105 Dec -20 o o Quiz Score: 100 out of 100
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