Astro Practice Test - 3

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School

De Anza College *

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Course

101

Subject

Astronomy

Date

Dec 6, 2023

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pdf

Pages

3

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Astron 101 Spring 2016 Practice Exam Section 1: Multiple Choice Which planet in our solar system has the largest number of known moons? a. Earth b. Saturn c. Jupiter d. Uranus What is the name of the largest volcano in the solar system, located on Mars? a. Olympus Mons b. Mount Everest c. Mauna Loa d. Vesuvius Which astronomical phenomenon occurs when the Moon moves directly between the Sun and Earth, blocking out the Sun's light? a. Lunar eclipse b. Solar eclipse c. Halley's Comet d. Asteroid impact What is the term for the apparent shift in the position of nearby stars when observed from different points in Earth's orbit around the Sun? a. Parallax b. Retrograde motion c. Precession d. Supernova Which galaxy is the closest spiral galaxy to the Milky Way? a. Andromeda b. Triangulum c. Sombrero d. Pinwheel Section 2: True or False True or False: A light-year is a unit of time that measures how long it takes light to travel a certain distance. True or False: The Kuiper Belt is a region in the solar system beyond the orbit of Neptune that contains many icy objects. True or False: The Hubble Space Telescope primarily observes celestial objects in visible light.
True or False: A comet is made up mostly of rock and metal. True or False: The Great Red Spot is a massive storm on the surface of Jupiter. Section 3: Short Answer Describe the phases of the Moon and explain what causes them. What is the concept of stellar parallax, and how is it used to measure the distance to nearby stars? Explain the difference between a meteoroid, a meteor, and a meteorite. What is a light-year, and why is it a useful unit for measuring astronomical distances? Name and describe the three main types of galaxies in the universe. Section 4: Fill in the Blanks The study of the universe beyond Earth's atmosphere is called ___________. The apparent path that the Sun follows in the sky over the course of a year is known as the ___________. A massive explosion of a star that briefly outshines an entire galaxy is called a ___________. The process by which a planet or moon passes in front of another celestial body, casting a shadow on it, is called a ___________. The theory that the universe began as an extremely hot and dense state and has been expanding ever since is known as the ___________. Section 5: Matching Match the astronomical object or phenomenon with its description: A. Nebula B. Comet C. Quasar D. Aurora E. Supernova A large cloud of gas and dust in space, often the birthplace of stars. A celestial object made of ice, dust, and rock that orbits the Sun. A highly energetic and distant object, often associated with supermassive black holes. A natural light display in the Earth's sky, predominantly seen in the polar regions. A sudden and violent explosion of a massive star. Section 6: Essay Question Explain the significance of the cosmic microwave background radiation in our understanding of the Big Bang theory and the early universe. How has it influenced our knowledge of the universe's origins?
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