Life in the Universe (4th Edition)
4th Edition
ISBN: 9780134089089
Author: Jeffrey O. Bennett, Seth Shostak
Publisher: PEARSON
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Chapter 2, Problem 60WP
To determine
The term gravitation lensing, its relation with
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Read the Blitzer Bonus attached herewith. The future is now: You have the opportunity to explore the cosmos in a starship traveling near the speed of light. The experience will enable you to understand the mysteries of the universe in deeply personal ways, transporting you to unimagined levels of knowing and being. The downside: You return from your two-year journey to a futuristic world in which friends and loved ones are long gone. Do you explore space or stay here on Earth? What are the reasons for your choice?
Your friends are talking about Olber's Paradox:
Friend 1: When the universe was quite young, it was also quite small, and therefore light
was trapped inside the universe. This is why we don't see light from the edge of the
universe in every direction.
Friend 2: No, Olber's Paradox describes only light from stars, not from galaxies, and why
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Friend 3: You're both right and you're both wrong. The paradox concerns itself with the
expansion of the universe, and explains why light from the early universe was able to be
released.
Are any of them right, in part or in whole?
Exploring the Doppler effect.
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Chapter 2 Solutions
Life in the Universe (4th Edition)
Ch. 2 - Describe at least three characteristics of Greek...Ch. 2 - What do we mean by a model of nature? Summarize...Ch. 2 - What is apparent retrograde motion, and why was it...Ch. 2 - Who first proposed the idea that Earth is a planet...Ch. 2 - Prob. 5RQCh. 2 - What was the Copernican revolution, and how did it...Ch. 2 - Why didnt Copernicuss model gain immediate...Ch. 2 - State and explain each of Keplers laws of...Ch. 2 - Briefly describe three reasonable objections to...Ch. 2 - How did Newtons discoveries about the laws of...
Ch. 2 - How did the Copernican revolution affect scholarly...Ch. 2 - What is the difference between a hypothesis and a...Ch. 2 - Describe each of the three hallmarks of science...Ch. 2 - What is Occams razor? Give an example of how it...Ch. 2 - Why doesnt science accept personal testimony as...Ch. 2 - In what sense is gravity both a fact and a theory?...Ch. 2 - What is Newtons universal law of gravitation?...Ch. 2 - Prob. 18RQCh. 2 - Lionel Messi is the best soccer player of his...Ch. 2 - Several kilometers below its surface, Europa has...Ch. 2 - My house is haunted by ghosts, who make the...Ch. 2 - There are no lakes or seas on Mars today.Ch. 2 - All life in the universe must use DNA as its...Ch. 2 - Children born when Jupiter is in the constellation...Ch. 2 - Prob. 25TYUCh. 2 - Newtons law of gravity explains the orbits of...Ch. 2 - God created the laws of motion that were...Ch. 2 - Prob. 28TYUCh. 2 - In Ptolemys geocentric model, the retrograde...Ch. 2 - Which of the following was not a major advantage...Ch. 2 - Earth is closer to the Sun in January than in...Ch. 2 - According to Keplers third law, (a) Mercury...Ch. 2 - Tycho Brahes contributions to astronomy included...Ch. 2 - Galileos contributions to astronomy included (a)...Ch. 2 - Which of the following is not true about...Ch. 2 - Which of the following is not true about a...Ch. 2 - How did the Copernican revolution alter...Ch. 2 - When Einsteins theory of gravity (general...Ch. 2 - Greek Models. As we discussed in this chapter, the...Ch. 2 - Copernican Players. Using a bulleted list format,...Ch. 2 - Atomists and Aristotelians. The ancient Greek...Ch. 2 - Influence on History. Based on what you have...Ch. 2 - Sedna Orbit. The object Sedna orbits our Sun at an...Ch. 2 - Eris Orbit. The dwarf planet Eris, which is...Ch. 2 - New Planet Orbit. A newly discovered planet orbits...Ch. 2 - Halleys Orbit. Halleys Comet orbits the Sun every...Ch. 2 - Newtons Universal Law of Gravitation. a. How does...Ch. 2 - Science and Religion. Science and religion are...Ch. 2 - The Impact of Science. The modern world is filled...Ch. 2 - Absolute Truth. An important issue in the...Ch. 2 - Pseudoscience. Choose a pseudoscientific claim...Ch. 2 - Prob. 60WP
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- Cruise Ship Enery. Suppose we have a spaceship about the size of a typical ocean cruise ship today, which means it has a mass of about l00 million kilograms, and we want to accelerate the ship to a speed of 10% of the speed of light. a. How Inuch energy would be required? (Hint; You can find the answer simply by calculating the kinetic energy of the ship when it reaches its cruising speed; because 10% of the speed of light is still small compared to the speed of light, you can use thsi formula kinetic energy = 1/2 x m x v2) b. How does your answer coInpare to total world energy use 5 x 1022 Joules? c. The typical cost of energy today is roughly 5¢ per 1 million joules. At this price, how much would it cost to generate the energy needed by this spaceship?arrow_forwardTry Now ... .... Listed below are some distances from Earth to other objects in the Milky Way galaxy. Convert each distance to light-years. (Each of these distances is less than one light-year. For an added challenge, convert each distance to light minutes or light seconds.) 1. The distance from Earth to the Moon is about 384,400 km. How many light-years is this? 2. The distance from Earth to Mars is about 784,000,000 km. How many light-years is this? 3. The distance from Earth to Pluto is about 5,750,000,000 km. How many light-years is this?arrow_forwardWhat are gravitational waves, how are they generated, what do they do and how can we detect them? Please thoroughly explain. Please include a diagram(s) for these questions. If you use any sources, please list them. Thank youarrow_forward
- Question A7 State three pieces of evidence that support the idea that the Universe began in a hot Big Bang, and explain how each piece of evidence supports the hot Big Bang model. Describe the ob- servational evidence that supports the idea that the Universe is pervaded by Dark Energy, and explain why each piece of evidence you cite supports the Dark Energy model.arrow_forwardI'm having trouble understanding this. Suppose we have a spaceship about the size of a typical ocean cruise ship today, which means it has a mass of about 130 million kilograms, and we want to accelerate the ship to a speed of 12 % of the speed of light. Suppose you want to generate the energy to get it to cruising speed using matter-antimatter annihilation. How much antimatter would you need to produce and take on the ship? Express your answer using two significant figures.arrow_forwardSuppose we look at two distant galaxies: Galaxy 1 is twice as far away as Galaxy 2. In this case, A. Galaxy 1 must be twice as big as Galaxy 2. B. we are seeing Galaxy 1 as it looked at an earlier time in the history of the universe than Galaxy 2. C. we are seeing Galaxy 1 as it looked at a later time in the history of the universe than Galaxy 2. D. Galaxy 2 must be twice as old as Galaxy 1.arrow_forward
- What causes Brownian motion?What was Brown's initial observation? How did Einstein help explain this observation?Explain how an increase in temperature effects Brownian motion. Describe the relationship between temperature and the rate of chemical reactions in a living organism.arrow_forwardWhat are gravitational waves? How are the generated? What do they do and how can we detect them? Please thoroughly explain. If you use any sources please state themarrow_forwardHow can we determine the existence of something we can't see? What is the evidence of dark matter and dark energy? How can we learn more about this phenomena?arrow_forward
- Does Hubble's Law work well for galaxies in the Local Group (such as Andromeda)? No, because dark energy is accelerating the universe's expansion over those distances. No, because we do not know the precise value of Ho. No, because Hubble did not know the Local Group existed when he discovered his law. Yes, it works well for all galaxies. No, because galaxies in the Local Group are bound gravitationally together.arrow_forwardWhat is Lorentz law? Give definition, background, uses and examples of it.arrow_forwardWhat is a Worm Hole? How can we travel into the Worm Hole?arrow_forward
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