The Cosmic Perspective (9th Edition)
9th Edition
ISBN: 9780134874364
Author: Jeffrey O. Bennett, Megan O. Donahue, Nicholas Schneider, Mark Voit
Publisher: PEARSON
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Chapter 3, Problem 51EAP
Mars Orbit. Find the perihelion and aphelion distances of Mars. (Hint: You’ll need data from Appendix E a table of orbital properties of the planets.)
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Describe your approach to calculation of the gravitational field strength on a planet with a given size (e.g. diameter) and known escape
velocity.
O a.
Use Newton's 3rd law.
O b. Use Newton's 2nd law.
O C. Use Newton's law of universal gravitation.
O d. Use Newton's 1st law.
Use law of conservation of energy.
Congratulations! You just derived a version of Kepler's Third Law for Mars!
Using the mass of Mars in kilograms and converting the 4.5 hours to seconds, calculate the distance from the center of the planet.
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4π²
]s)²
3 =
And then determine the distance (in km) from the surface.
r = rm + rs
rs
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=
km
1.The Curiosity Rover has recently landed on Mars and likes to send Twitter updates on its progress. If a tweet is posted 13 minutes after it was sent, how far is Curiosity from Earth? (Assume there is no network lag.)______________ m
2.You've entered the Great Space Race. Your engines are hearty enough to keep you in second place. While racing, the person in front of you begins to have engine troubles and turns on his emergency lights that emit at a frequency of 5.720 1014 Hz. If the person in front of you is traveling 2692 km/s faster than you when he turns on his lights, what is the frequency of the emergency lights that you observe when it reaches you in your spaceship? (Enter your answer to four significant figures.) ___________Hz
Chapter 3 Solutions
The Cosmic Perspective (9th Edition)
Ch. 3 - Prob. 1VSCCh. 3 - Use the following questions to check your...Ch. 3 - Use the following questions to check your...Ch. 3 - Use the following questions to check your...Ch. 3 - Use the following questions to check your...Ch. 3 - Prob. 6VSCCh. 3 - Prob. 7VSCCh. 3 - Prob. 1EAPCh. 3 - Why did ancient peoples study astronomy? Describe...Ch. 3 - Describe the astronomical origins of our day,...
Ch. 3 - What is a lunar calendar? How can it be kept...Ch. 3 - What do we mean by a model in science?Ch. 3 - Summarize the development of the Greek geocentric...Ch. 3 - What was the Copernican revolution, and how did it...Ch. 3 - 8. What is an ellipse? Define its foci, semimajor...Ch. 3 - 9. State and explain the meaning of each of...Ch. 3 - Describe the three hallmarks of science and how we...Ch. 3 - 11. What is the difference between a hypothesis...Ch. 3 - What is the basic idea behind astrology? Explain...Ch. 3 - Science or Nonscience? Each of the following...Ch. 3 - Science or Nonscience? Each of the following...Ch. 3 - Science or Nonscience?
Each of the following...Ch. 3 - Science or Nonscience?
Each of the following...Ch. 3 - Science or Nonscience?
Each of the following...Ch. 3 - Science or Nonscience? Each of the following...Ch. 3 - Science or Nonscience? Each of the following...Ch. 3 - Science or Nonscience?
Each of the following...Ch. 3 - Science or Nonscience?
Each of the following...Ch. 3 - Science or Nonscience? Each of the following...Ch. 3 - In the Greek geocentric model, the retrograde...Ch. 3 - Which of the following was not a major advantage...Ch. 3 - When we say that a planet has a highly eccentric...Ch. 3 - Earth is closer to the Sun in January than in...Ch. 3 - According to Kepler’s third law, (a) Mercury...Ch. 3 - Tycho Brahe’s contribution to astronomy included...Ch. 3 - Galileo’s contribution to astronomy included (a)...Ch. 3 - Which of the following is not true about...Ch. 3 - Which of the following is not true about a...Ch. 3 - When Einstein’s theory of gravity (general...Ch. 3 - What Makes It Science? Choose a single idea in the...Ch. 3 - Prob. 35EAPCh. 3 - Prob. 36EAPCh. 3 - Prob. 37EAPCh. 3 - Earth’s Shape. It took thousands of years for...Ch. 3 - Prob. 40EAPCh. 3 - Copernican Players. Using a bulleted-list format,...Ch. 3 - Prob. 44EAPCh. 3 - The Metonic Cycle. The length of our calendar year...Ch. 3 - Chinese Calendar. The traditional Chinese lunar...Ch. 3 - Method of Eratosthenes I. You are an astronomer on...Ch. 3 - Method of Eratosthenes II. You are an astronomer...Ch. 3 - Mars Orbit. Find the perihelion and aphelion...Ch. 3 - Eris Orbit. The dwarf planet Eris orbits the Sun...Ch. 3 - New Planet Orbit. A newly discovered planet orbits...Ch. 3 - Halley Orbit. Halley’s Comet orbits the Sun every...
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- Kepler's 1st law says that our Solar System's planets orbit in ellipses around the Sun where the closest distance to the Sun is called perihelion. Suppose I tell you that there is a planet with a perihelion distance of 2 AU and a semi-major axis of 1.5 AU. Does this make physical sense? Explain why or why not.arrow_forward1. What are Kepler's three laws of planetary motion and what is their significance?arrow_forward1. Mars takes 1.88 years to complete one orbit around the sun. What is its average distance from the sun?arrow_forward
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