The Essential Cosmic Perspective (8th Edition)
8th Edition
ISBN: 9780134446431
Author: Jeffrey O. Bennett, Megan O. Donahue, Nicholas Schneider, Mark Voit
Publisher: PEARSON
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Chapter 3, Problem 27EAP
Choose the best answer to each of the following. Explain your reasoning with one or more complete sentences.
27. Galileo’s contribution to astronomy included (a) discovering the laws of planetary motion. (b) discovering the low of gravity. (c) making observations and
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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?
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7. How long would the Earth year last in this last case? (hint: Newton’s version of Kepler’s 3rd…
Johannes Kepler worked as an assistant to the observatory of Brahe at the age of 27.
Brahe collected astronomical observations, which were passed into Kepler, on his death.
Among the significant contributions of Brahe:
1. His observations on the planetary motion of Mars were used by later astronomers, including
Kepler to construct the present model of the solar system.
2. In 1572, he observed supernova as a star that appeared suddenly, became visible for 18
months before it faded from view. Nowadays, supernova is called an exploding star.
3. In 1577, he observed a comet by measuring its parallax. His claim contradicted the idea of
Aristotle that comets are "gases burning in the atmosphere." By measuring the parallax for
the comet, he was able to show that the comet was further away than the Moon.
4. His findings that stars do not have parallax, he concluded that either: (a). the earth was
motionless at the center of the universe; or (b). the stars were so far away that their parallax…
PLEASE 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?
Chapter 3 Solutions
The Essential Cosmic Perspective (8th Edition)
Ch. 3 - Prob. 1VSCCh. 3 - Use the information in the graphs to answer the...Ch. 3 - Use the information in the graphs to answer the...Ch. 3 - Use the information in the graphs to answer the...Ch. 3 - Use the information in the graphs to answer the...Ch. 3 - Use the information in the graphs to answer the...Ch. 3 - Use the information in the graphs to answer the...Ch. 3 - In what way is scientific thinking natural to all...Ch. 3 - Prob. 2EAPCh. 3 - What is a lunar calendar? How can it be kept...
Ch. 3 - What do we mean by a model in science? Briefly...Ch. 3 - What do we mean by the Ptolemaic model? How did...Ch. 3 - What was the Copernican revolution, and how did it...Ch. 3 - What is an ellipse? Define its foci, semimajor...Ch. 3 - State and explain the meaning of each of Kepler’s...Ch. 3 - Describe the three hallmarks of science and...Ch. 3 - What is the difference between a hypothesis and a...Ch. 3 - Each of the following statements makes some type...Ch. 3 - Each of the following statements makes some type...Ch. 3 - Each of the following statements makes some type...Ch. 3 - Each of the following statements makes some type...Ch. 3 - Each of the following statements makes some type...Ch. 3 - Each of the following statements makes some type...Ch. 3 - Each of the following statements makes some type...Ch. 3 - Each of the following statements makes some type...Ch. 3 - Each of the following statements makes some type...Ch. 3 - Prob. 20EAPCh. 3 - Choose the best answer to each of the following....Ch. 3 - Choose the best answer to each of the following....Ch. 3 - Choose the best answer to each of the following....Ch. 3 - Choose the best answer to each of the following....Ch. 3 - Choose the best answer to each of the following....Ch. 3 - Choose the best answer to each of the following....Ch. 3 - Choose the best answer to each of the following....Ch. 3 - Choose the best answer to each of the following....Ch. 3 - Choose the best answer to each of the following....Ch. 3 - Choose the best answer to each of the following....Ch. 3 - Prob. 31EAPCh. 3 - Earth’s Shape. It took thousands of years for...Ch. 3 - Prob. 33EAPCh. 3 - Prob. 34EAPCh. 3 - Prob. 35EAPCh. 3 - Prob. 36EAPCh. 3 - Prob. 37EAPCh. 3 - Prob. 38EAPCh. 3 - Halley Orbit. Halley’s comet orbits the Sun every...Ch. 3 - Prob. 40EAPCh. 3 - 41. The Importance of Ancient Astronomy. Why was...Ch. 3 - Prob. 42EAPCh. 3 - Prob. 43EAPCh. 3 - The Galileo Affair. In recent years. the Roman...Ch. 3 - Prob. 45EAPCh. 3 - Prob. 46EAP
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