Life in the Universe (4th Edition)
4th Edition
ISBN: 9780134089089
Author: Jeffrey O. Bennett, Seth Shostak
Publisher: PEARSON
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Chapter 1, Problem 3RQ
To determine
The geocentric universe and compare geocentric universe with the modern view of universe.
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Chapter 1 Solutions
Life in the Universe (4th Edition)
Ch. 1 - Why are scientists interested in the possibility...Ch. 1 - People have long been interested in life beyond...Ch. 1 - Prob. 3RQCh. 1 - Prob. 4RQCh. 1 - What do we mean by a habitable world? Does a...Ch. 1 - What do we mean by the universality of physics and...Ch. 1 - Besides Earth, what worlds in our solar system...Ch. 1 - Prob. 8RQCh. 1 - Prob. 9RQCh. 1 - What do we mean by astrobiology? What are the...
Ch. 1 - An extrasolar planet is (a) a planet that is...Ch. 1 - A habitable planet is (a) a planet that has oceans...Ch. 1 - Prob. 13TYUCh. 1 - Prob. 14TYUCh. 1 - The correct order for the eight official planets...Ch. 1 - Today, the research known as SETI is conducted...Ch. 1 - Prob. 17TYUCh. 1 - Scientists today are interested in searching for...Ch. 1 - Based on current evidence, the object in our solar...Ch. 1 - Prob. 20TYUCh. 1 - Universal Laws. Briefly discuss how the idea that...Ch. 1 - The Science of Astrobiology. The study of...Ch. 1 - Conducting the Search. Given the large number of...Ch. 1 - Funding for Astrobiology. Imagine that you are a...
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- Use the circumference and speed to figure out how long the Sun takes to go once around the Galaxy (the Sun's period, sometimes called the "galactic year.") Give your answer in Earth years. Be careful with your units.arrow_forwardwhat is Retrograde-motion and the failure of the geocentric universe model?arrow_forwardAnswer all questions in the space provided. Show ALL your steps in your calculations. Answer in complete sentences and therefore statements.arrow_forward
- Describe the purpose of the formula below. Then create a question about the universe that can be answered using the formula. Calculate the answer and give the accurate result. Make sure to show your calculations. Z = A/a = v/carrow_forwardDescribing the ancient idea about the position of the earth relative to the other heavenly bodies. Explain why it was reasonable for them to believe that the earth was the center of the universe.arrow_forwardIN NOT MORE THAN 300 WORDS describe the ancient idea about the position of the earth relative to the other heavenly bodies. Explain why it was reasonable for them to believe that the earth was the center of the universe.arrow_forward
- Illustrate the Models of the Universe 1. Heliocentric System with circular orbits 2. Geocentric system with circular orbits 3. Heliocentric system with elliptical orbits 4. Geocentric system with circular orbitsarrow_forwardPut in order from least to greatest the following terms: galaxy, planet, moon, sun, solar system, and universe. : galaxy : planet : moon :: solar system : sun : universe 7 8 10 11 12 91arrow_forwardAnswer it correctly please. Explain your answer. I will rate accordingly with multiple votes.arrow_forward
- 1. Why were the main reasons why the idea that the Earth was at the center of the universe lasted so long? 2. Discuss in 2 paragraphs the observations made by Galileo that disproved Geocentrism. Which one do you think was the most important? 3. Write down a hypothesis and observational experiment to test one of Newton’s laws of motion. EXPLAIN YOUR REASONING! 4. 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! 5. How does halving the distance between two objects affect the gravitational force between them? 6. Suppose the Sun were somehow replaced by a star with five times as much mass. What would happen to the gravitational force between the Earth and the Sun? 7. How long would the Earth year last in this last case? (hint: Newton’s version of Kepler’s 3rd…arrow_forwardCompare the values of the number of grains of sand in all earth’s beaches with the number of stars in the universe – which is greater? Number of sand grains Number of stars They are about the same.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_forward
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