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 36EAP
Quick Quiz
Choose the best answer to each of the following. Explain your reasoning with one or more complete sentences.
36. When we see Saturn going through a period of apparent retrograde motion, it means (a) Saturn is temporarily moving backward in its orbit of the Sun. (b) Earth is passing Saturn in its orbit, with both planets on the same side of the Sun. (c) Saturn and Earth must be on opposite sides of the Sun.
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Unit 3: Final Assessment
Use your Digital Interactive Notebook, Peardeck Notes, and
Science Weekly Reading for assistance.
Question #1:
Which evidence first supported the heliocentric model of the solar
system?
A. mapping of stars using the unaided eye
B. taking pictures of distant galaxies with satellite-based cameras
C. determining that planets orbit in elliptical paths with telescopes
D. observing the surface features of nearby planets and moons
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Question 1 (Total: 30 points)
a. What is a repeat ground-track orbit?
b. Explain why repeat ground-track and Sun-synchronous orbits are typically used for Earth observation missions.
c. The constraint for a Sun-synchronous and repeat ground-track orbit is given by T = 286, 400, where I is the orbital period in seconds, m the number of days and k
the number of revolutions. Explain why this is, in fact, a constraint on the semi-major axis of the orbit.
Topic: Kepler's Laws of Planetary Motion
Show the following in your answer:
A. Diagram
B.Given Quantities
C. Unknown Quantities
D. Complete Solution
E. Round answers to 2 decimal places
F. Express answer with the correct units
The Hubble space telescope orbits Earth with an orbital speed of 7.6×103m/s.
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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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- 1. If people on Earth were viewing a total lunar eclipse, what would you see from your home on the Moon? Draw a diagram. 2. Why were the main reasons why the idea that the Earth was at the center of the universe lasted so long? 3. Discuss in 2 paragraphs the observations made by Galileo that disproved Geocentrism. Which one do you think was the most important? 4. Write down a hypothesis and observational experiment to test one of Newton’s laws of motion. EXPLAIN YOUR REASONING! 5. 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 laws to find the distance (in astronomical units) between the planet (unofficially named Bellerophon) and its star. SHOW YOUR WORK! 6. How does halving the distance between two objects affect the gravitational force between them? 7. Suppose the Sun were somehow replaced by a star with five times as much mass. What would happen to the gravitational force between…arrow_forwardwill solve this problem. Explain your thinking in your plan detailed plan in complete sentences for how you Ive the problem: STUDE I will SoIve in.'s Yous no tne Name: Self Improvement Opportunity 3.5 draw, equals wall) 60KG) on the moon? ole Conceptual problems! Explain each answer below in complete sentences using proper vocabulary. 5. Two objects with different masses are dropped from a twenty story building. Both objects hit the ground atarrow_forwardPLEASE MAKE SURE THAT YOU ARE ANSWERING THE QUESTIONS USING YOUR OWN THOUGHTS. STRICTLY NO COPY PASTE PLEASE! Answer each questions in not less than 2 paragraphs: 3. What is astronomy? 4. What is Geocentric Model?arrow_forward
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