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 37EAP
Earth-Centered or Sun-Centered? Decide whether each of the following phenomena is consistent or inconsistent with a belief in an Earth-centered system. If consistent, describe how. If inconsistent, explain why, and also explain why the inconsistency did not immediately lead people to abandon the Earth-centered model.
a. The daily paths of stars through the sky b. Seasons c. Phases of the Moon d. Eclipses e. Apparent retrograde motion of the planets
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Which statement describes the sun's position relative to planetary orbits?
A. The sun is at the center of each planet's circular orbit.
B. The sun is midway between the foci of each planet's elliptical orbit.
C. The sun is one focus of each planet's elliptical orbit.
D. The sun alternates between the two foci of planetary orbits.
Of the following methods, which one can you use to directly calculate the peak altitude of the Sun in the sky on that day?
a.
by using the observer's watch and the Sun's azimuth
b.
by using the observer's latitude and the Sun's right ascension
c.
by using the observer's longitude and the ecliptic plane
d.
by using the observer's latitude and the Sun's declination
e.
by using the observer's altitude and the ecliptic plane
H3.
A total lunar eclipse is observed on December 31. Predict the next lunar eclipse. A total lunar eclipse will occur when the full moon and the nominal orbit of the moon line up together (The solution of two equations). From the following data algebraic equation for the phase of the moon and nominal orbit of the moon can be formed. A new moon (0%) was observed on December 17 and the full moon (10%) was observed on December 31 along with the nominal orbit of the moon (0%). The brimming orbit of the moon (100%) was observed on November 29. When the two equations are equal a lunar eclipse will occur.
How many days from December 31 will next lunar eclipse occur? Given the coming year is a leap year - on what dates will the next 4 total lunar eclipses occur?
Show the algebraic solution, any information you use.
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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- Assume you live on the Moon near the center of the face that looks toward Earth. a. If you saw a full Earth in your sky, what phase of the Moon would people on Earth see? Draw a diagram. b. If people on Earth saw a full moon, what phase would you see for Earth? Draw a diagram. c. If people on Earth saw a waxing gibbous moon, what phase would you see for Earth? Draw a diagram. d. If people on Earth were viewing a total lunar eclipse, what would you see from your home on the Moon? Draw a diagram. Why were the main reasons why the idea that the Earth was at the center of the universe lasted so long? Discuss in 2 paragraphs the observations made by Galileo that disproved Geocentrism. Which one do you think was the most important? Write down a hypothesis and observational experiment to test one of Newton’s laws of motion. EXPLAIN YOUR REASONING! One of the first exoplanets discovered orbits the star 51 Pegasi with a period of just 4.2 days. 51 Pegasi is very similar to the Sun. Use Kepler’s…arrow_forward1. How did Aristotle differentiate terrestrial and celestial motion? Give at least one example for each.2. According to Aristotle, what will happen to an moving object if there will be no force to act on it?arrow_forwardI hope you answer this:) 1. Ancient civilizations observed and kept track of daily movement of heavenly bodies. Which one is NOT the reason for this? a. navigation purposes b. time keeping c. annual cultural cycles d. agricultural cycles 2. What Kepler's Law of Planetary Motion is related to the Newton's Law of Motion based from the statement below: The statement: "Since the planets move on ellipses they are continually accelerating." a. Law of Ellipses and Law of Acceleration b. Law of Ellipses and Law of Inertia c. Law of Equal Areas and Law of Interaction d. Law of Period and Law of Inertia e. Law of Period and Law of Acceleration 3. Edwi Hubble proposed a way to organize galaxies in 1920. How are galaxies classified? a. color of stars b. shape of galaxy c. age of stars d. composition of stars e. diameter of galaxy 4. Find the magnifying power (M) and the length (L) of a simple telescope with 30-inches focal length of the objective and 2 inches focal length of the eyepiece.…arrow_forward
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