The Cosmic Perspective
7th Edition
ISBN: 9780321839558
Author: Jeffrey O. Bennett, Megan O. Donahue, Nicholas Schneider, Mark Voit
Publisher: Addison-Wesley
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Chapter 2, Problem 45EAP
A Smaller Earth. Suppose Earth were smaller. Would solar eclipses be any different? If so, how? What about lunar eclipses?
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From horizon to zenith, the sky takes up how much angular distance?
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Chapter 2 Solutions
The Cosmic Perspective
Ch. 2 - Prob. 1VSCCh. 2 - Use the following questions to check your...Ch. 2 - Use the following questions to check your...Ch. 2 - Use the following questions to check your...Ch. 2 - Use the following questions to check your...Ch. 2 - Use the following questions to check your...Ch. 2 - Use the following questions to check your...Ch. 2 - Use the following questions to check your...Ch. 2 - Prob. 1EAPCh. 2 - Suppose you were making a model of the celestial...
Ch. 2 - On a clear, dark night, the sky may appear to be...Ch. 2 - Why does the local sky look like a dome? Define...Ch. 2 - Prob. 5EAPCh. 2 - What are circumpolar stars? Are more stars...Ch. 2 - What are latitude and longitude? Does the sky vary...Ch. 2 - What is the zodiac, and why do we see different...Ch. 2 - Suppose Earth’s axis had no tilt. Would we still...Ch. 2 - Briefly describe key facts about the solstices and...Ch. 2 - What is precession? How does it affect what we see...Ch. 2 - Briefly describe the Moon’s cycle of phases. Can...Ch. 2 - Why do we always see the same face of the Moon?Ch. 2 - Why don’t we see an eclipse at every new and full...Ch. 2 - What do we mean by the apparent retrograde motion...Ch. 2 - Prob. 16EAPCh. 2 - Prob. 17EAPCh. 2 - Prob. 18EAPCh. 2 - Prob. 19EAPCh. 2 - Prob. 20EAPCh. 2 - Does It Make Sense? Decide whether the statement...Ch. 2 - Does It Make Sense? Decide whether the statement...Ch. 2 - Prob. 23EAPCh. 2 - Does It Make Sense? Decide whether the statement...Ch. 2 - Does It Make Sense? Decide whether the statement...Ch. 2 - Does It Make Sense? Decide whether the statement...Ch. 2 - Quick Quiz Choose the best answer to each of the...Ch. 2 - Quick Quiz Choose the best answer to each of the...Ch. 2 - Quick Quiz Choose the best answer to each of the...Ch. 2 - Prob. 30EAPCh. 2 - Quick Quiz Choose the best answer to each of the...Ch. 2 - Quick Quiz Choose the best answer to each of the...Ch. 2 - Quick Quiz Choose the best answer to each of the...Ch. 2 - Quick Quiz Choose the best answer to each of the...Ch. 2 - Quick Quiz Choose the best answer to each of the...Ch. 2 - Quick Quiz Choose the best answer to each of the...Ch. 2 - Earth-Centered or Sun-Centered? Decide whether...Ch. 2 - Shadow Phases. Many people incorrectly guess that...Ch. 2 - Lunar Phases and Time of Day. Roles: Scribe (takes...Ch. 2 - New Planet. A planet in another solar system has a...Ch. 2 - Your View of the Sky. a. What are your latitude...Ch. 2 - View from the Moon. Assume you live on the Moon,...Ch. 2 - View from the Sun. Suppose you lived on the Sun...Ch. 2 - A Farther Moon. Suppose the distance to the Moon...Ch. 2 - A Smaller Earth. Suppose Earth were smaller. Would...Ch. 2 - Observing Planetary Motion. Find out which planets...Ch. 2 - 47. A Connecticut Yankee. Find the book A...Ch. 2 - Be sure to show all calculations clearly and state...Ch. 2 - Be sure to show all calculations clearly and state...Ch. 2 - Be sure to show all calculations clearly and state...Ch. 2 - Be sure to show all calculations clearly and state...Ch. 2 - Prob. 52EAPCh. 2 - Prob. 53EAPCh. 2 - Prob. 54EAPCh. 2 - Be sure to show all calculations clearly and state...Ch. 2 - Prob. 56EAPCh. 2 - Prob. 57EAPCh. 2 - Prob. 58EAPCh. 2 - Prob. 59EAPCh. 2 - Prob. 60EAP
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- 2. On August 27, 2003, the planet Mars was at a distance of 0.373 AU from Earth. The diameter of Mars is 6788 km. a) Calculate the angular diameter of Mars, as seen from Earth on August 27, 2003. Give your answer in arcminutes.arrow_forwardWhy don’t we have a solar eclipse and a Lunar eclipse every month?arrow_forwardment with telescopes Question #2: Which statement explains how a lunar eclipse happens? A. The sun casts a shadow on Earth. B. Earth casts a shadow on the sun. C. Earth casts a shadow on the moon. D. The moon casts a shadow on Earth.arrow_forward
- 3.Please draw the picture of solar eclipse and explain solar eclipse. FIRO FIROarrow_forward7. Relative to the stars, through how many degrees, arc minutes, or arc seconds does the Moon move in (a) 1 hour of time; (b) 1 minute; (c) 1 second? How long does it take for the Moon to move a distance equal to its own diameter?arrow_forwardSuppose the Moon rotated on its axis just as quickly as Earth. Would we still always see the same side of the Moon from Earth? Explain.arrow_forward
- Date: Name: Our Moon Comprehension Questions (1. Why can't we see a New Moon? 2 Why does the Moon appear bright? The Moon cause which of the following changes on Earth? A. night and day B. erosion C. tides D. seasons 3. What are the shapes of the Moon shown below called? A. orbits B. phases C. eclipses D. satellites 4. About how long does it take for the Moon to complete one lunar cycle? 5. Students recorded the different shanes of the Moon for a month What caus.arrow_forwardOne way to recognize a distant planet is by its motion along its orbit. If Uranus circles the Sun in 84 years, how many arc seconds will it move in 24 hours? (For the purposes of this problem, ignore the motion of Earth.)arrow_forwardPart 3 1. The diameter of the Sun is 1,391,400 km. The diameter of the Moon is 3,474.8 km. Find the ratio, r= Dsa/Dsvan between the sizes. 2. From the point of view of an obs erver on Eanth (consider the Earth as a point-like object), during the eclipse, the Moon covers the Sun exactly. Sketch a picture to illustrate this fact. Use a nuler to get a straight line. Your drawing does not need to be in scale. 3. The Sun is 1 Astronomical Unit (AU) away from the Earth. Find the distance between the Earth and the Moon in AU's using the ratio of similar triangles. Show your work. DEM= AU. Convert this to kilometers. Use 1 AU = 149,600,000 km. DEM = km.arrow_forward
- What is declination? Discuss the degree of declination of the Moon and Sun relative to Earth’s equator. What are the effects of declination of the Moon and Sun on the tides?arrow_forwardExplain in detail why and how we see the Moon go through phases. What one phase of the Moon could not happen if the phases were actually caused by the Earth’s shadow?arrow_forwardExplain why eclipses do not occur every month.arrow_forward
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