Test Answers on Astronomy Flashcards

Astronomy Chapter 23 Sorting Task

question Although we can divide the history of the universe into many distinct \”eras,\” sometimes it’s useful just to have a broad perspective on what events occurred in the very early universe and what events occurred later. Listed following are events that occurred either before or after the first five minutes in the history of […]

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Astronomy Exam 1

question Which of the following has your \”cosmic address\” in the correct order? answer You, Earth, solar system, Milky Way Galaxy, Local Group, Local Supercluster, universe. question Using the ideas discussed in your textbook, in what sense are we \”star stuff\”? answer Nearly every atom from which we are made was once inside of a […]

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Astronomy Quiz 2

question The Sun’s path, as viewed from the equator, is highest in the sky on _________. answer the spring and fall equinoxes question For most of history, the lack of observable stellar parallax was interpreted to mean that _________. answer Earth is stationary at the center of the universe question Which of the following statements […]

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Exam #2 Mastering Astronomy (missed questions)

question The main reason that most professional research telescopes are reflectors is that: answer large mirrors are easier to build then large lenses question Primary purpose of astronomical Telescope? answer to collect a lot of light and bring it to focus question Most important advantage of CCD’ over film is? answer they record much more […]

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Astronomy 263 Chp 8 Purdue

question ______, ________, and ________ build up structures on the terrestrial planets, while ______ tears them down a.impacts, erosion, volcanism; tectonism b. impacts, tectonism, volcanism; erosion c. tectonism, volcanism, erosion; impacts d. tectonism, impacts, erosion; volcanism answer ANSWER B IMPACTS, TECTONISM, VOLCANISM; EROSION question If crater A is inside crater B, we know that a. […]

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Mastering Astronomy Review #5

question Assuming that other planetary systems form in the same way as our solar system formed, where would you expect to find terrestrial planets? answer Terrestrial planets will likely be located nearer the planetary system’s star than any jovian planets. question Which planet is approximately halfway between Pluto’s orbit and the Sun? answer Uranus, the […]

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Chapter 18 Astronomy

question Part A The history of the universe can be divided into seven major phases. Taken together, these phases make up the cosmic evolutionary scheme—the continuous transformation of matter and energy that has led to the appearance of life and civilization on Earth. Rank the phases in the history of cosmic evolution from earliest to […]

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Flashcards About Astronomy final

question Sizes of universe- largest to smallest answer The universe, the local supercluster, the local group, the Milky Way Galaxy, our solar system, the sun, Jupiter, earth question Distances from longest to shortest answer The distance from the Milky Way Galaxy to the Andromeda Galaxy, The distance from the sun to the center of the […]

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Flashcards on ASTRONOMY 101

question 1. What is the main mechanism by which the lower atmosphere of Earth is heated? a. Sunlight heats Earth’s surface and the resultant heat is transferred to the atmosphere by infrared radiation and convective gas motions. b. Conduction carries heat from Earth’s interior to the surface where conduction in the lower atmosphere transfers this […]

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Astronomy Ch01.6: Key Concept: Our Cosmic Origins

question Part A – Ranking Task Consider the indicated events in the history of the universe that have helped make human life possible. Rank the events based on when they occurred, from longest ago to most recent. To rank items as equivalent, overlap them. Note: If two events occurred within seconds of each other, rank […]

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Mastering Astronomy Chapter 18 – Life – Tutorials Aid

question The history of the universe can be divided into seven major phases. Taken together, these phases make up the cosmic evolutionary scheme—the continuous transformation of matter and energy that has led to the appearance of life and civilization on Earth. Rank the phases in the history of cosmic evolution from earliest to most recent. […]

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astronomy 1020

question How do observations of distant galaxies help us learn about galaxy evolution? answer Observations at different distances show galaxies of different ages and therefore different stages of evolution. question I observe a galaxy that is 100 million light-years away: what do I see? answer the light from the galaxy as it was 100 million […]

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Mastering Astronomy Chapter 16-17

question Why is dark matter is inferred to exist? answer Because we can observe its gravitational influence on visible matter question Dark energy has been hypothesized to exist in order to explain what? answer Observations suggesting that the expansion of the universe is accelerating question The flat part of the Milky Way’s rotation curve tells […]

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ASTRO WK 7 mastering astronomy chp 22

question Which of the following is an important starting assumption in models of galaxy formation? answer Some regions in the universe start out denser than others. question What happens when a particle of matter meets its corresponding antiparticle of antimatter? answer The combined mass of the two particles is completely transformed into energy (photons). question […]

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Astronomy Chapter 1 Practice Flashcards

question Which of the following is not a general difference between a planet and a star? answer All planets are made of rock and all stars are made of gas. question Our solar system consists of _________. answer the Sun and all the objects that orbit it question A typical galaxy is a _________. answer […]

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Mastering Astronomy Chapter 2 Flashcards

question Which of the following statements about the celestial sphere is NOT true? answer The \”celestial sphere\” is another name for our universe. question The Andromeda Galaxy is faintly visible to the naked eye in the constellation Andromeda. Suppose instead it were located in the same direction in space as the center of the Milky […]

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Astronomy 1010 hw 1 part 1

question Which of the following has your address in the right order? answer You, earth, solar system, milky way, local group, local supercluster question About where is our solar system located in the milky way galaxy? answer about two-thirds of the way from the center of the galaxy to the outskirts of the galactic disk […]

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Ch17 – Astronomy final

question which part of the galaxy contains the coldest gas? answer the disk question what part of the galaxy has gas with the hottest average temperature answer the halo question What is the typical percentage (by mass) of elements other than hydrogen and helium in stars that are forming right now in the vicinity of […]

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astronomy chapter 1

question What is the meaning of the word cosmos? answer the sum total of all matter and energy that is everything within and between all galaxies question Which of the following has your \”address\” in the correct order? answer you, Earth, solar system, Milky Way, Local Group, Local Supercluster question About where is our solar […]

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Chapter 17 astronomy

question Based on our current understanding of physics, we can understand the conditions that prevailed in the early universe as far back in time as about ___________. answer one ten-billionth of a second after the Big Bang question What happens when a particle of matter meets its corresponding antiparticle of antimatter? answer The combined mass […]

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Flashcards on Mastering Astronomy Chapter 1

question If we represent the solar system on a scale that allows us to walk from the Sun to Pluto in a few minutes, then: answer the planets would all be marble size or smaller and the nearest stars would be thousands of miles away. question What do astronomers mean by the Big Bang? answer […]

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