EBK THE COSMIC PERSPECTIVE
9th Edition
ISBN: 9780135161753
Author: Voit
Publisher: VST
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Chapter 9, Problem 50EAP
Predictive Geology. Suppose another star system has a rocky terrestrial planet twice as large as Earth but at the same distance from its star (which is just like our Sun) and with a similar rotation rate. In one or two paragraphs, describe the type of geology you would expect it to have.
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Larger rocks are slowly eroded away by the elements on Earth.
Question 3
A metamorphic rock can also be thought of as a rock that changes. What causes the rock to change?
Layers of sediment building up over time and pressing down, forming rock.
Rain, wind, freezing, thawing, and plant roots growing cause the rock to erode away, leaving behind
sediments.
Extreme heat and pressure from deep within Earth cause changes to the rock's appearance, structur
and composition.
The rock slowly changes into a new rock over time.
Qestion4
Based on the context in paragraph 4, fossil refers to
how igneous rocks were formed over time
the remains of dead plants and animals settle to the bottom of an ocean or lake and are covered by
mud
a trace or print, or the remains of a plant or animal of a past age preserved…
How is a habitable zone likely to change over time?
a. get narrower
b. move further from the star
c. they aren't likely to change
How many impacts would you expect to strike a 100m2 region in one hour during Earth’s formation, assuming that Earth grew to its present size in 10 million years from particles averaging 100 grams each? (Hint: Assume that Earth had its current radius of 6378km.) (Notes: The surface area of a sphere is 4pir2 ; 1yr=3.2x107 .)
a. About 1300.
b. About 13 .
c. About 13,000.
d. About 130
Chapter 9 Solutions
EBK THE COSMIC PERSPECTIVE
Ch. 9 - Prob. 1VSCCh. 9 - Use the following questions to check your...Ch. 9 - Use the following questions to check your...Ch. 9 - Use the following questions to check your...Ch. 9 - Describe the core-mantle-crust structures of the...Ch. 9 - Summarize the processes by which planetary...Ch. 9 - Why does Earth have a global magnetic field? Why...Ch. 9 - Define each of the four major geological...Ch. 9 - Prob. 5EAPCh. 9 - Why is the Moon so much more heavily cratered than...
Ch. 9 - Summarize the ways in which a terrestrial world’s...Ch. 9 - Briefly summarize the geological history of the...Ch. 9 - Briefly summarize the geological history of...Ch. 9 - Choose five features on the global map of Mars...Ch. 9 - Why isn’t liquid water stable on Mars today, and...Ch. 9 - Choose at least three major geological features of...Ch. 9 - What evidence tells us that Venus was “repaved”...Ch. 9 - Describe the conveyor-like action of plate...Ch. 9 - Briefly explain how each of the following...Ch. 9 - To what extent do we think the geologies of the...Ch. 9 - Surprising Discoveries? Suppose we were to make...Ch. 9 - Prob. 18EAPCh. 9 - Prob. 19EAPCh. 9 - Surprising Discoveries? Suppose we were to make...Ch. 9 - Prob. 21EAPCh. 9 - Prob. 22EAPCh. 9 - Prob. 23EAPCh. 9 - Prob. 24EAPCh. 9 - Prob. 25EAPCh. 9 - Prob. 26EAPCh. 9 - Prob. 27EAPCh. 9 - Surprising Discoveries? Suppose we were to make...Ch. 9 - Prob. 29EAPCh. 9 - Choose the best answer to each of the following....Ch. 9 - Choose the best answer to each of the following....Ch. 9 - Choose the best answer to each of the following....Ch. 9 - Prob. 33EAPCh. 9 - Choose the best answer to each of the following....Ch. 9 - Choose the best answer to each of the following....Ch. 9 - Choose the best answer to each of the following....Ch. 9 - Choose the best answer to each of the following....Ch. 9 - Prob. 38EAPCh. 9 - Mars Attracts. William Herschel, Giovanni...Ch. 9 - Prob. 41EAPCh. 9 - Prob. 42EAPCh. 9 - Prob. 43EAPCh. 9 - Prob. 44EAPCh. 9 - Dating Planetary Surfaces. We have discussed two...Ch. 9 - Comparative Erosion. Of Mercury, Venus, the Moon,...Ch. 9 - Miniature Mars. Suppose Mars had turned out to be...Ch. 9 - Change in Fundamental Properties. Choose one...Ch. 9 - Predictive Geology. Suppose another star system...Ch. 9 - Mystery Planet. It’s the year 2098, and you are...Ch. 9 - “Coolest” Surface Photo. Visit the Astronomy...Ch. 9 - Surface AreatoVolume Ratio. Compare the surface...Ch. 9 - Doubling Your Size. Just as the surface...Ch. 9 - Lunar Footprints. Assume that the Moon is hit by...Ch. 9 - Geological Proportions. Express the approximate...Ch. 9 - Internal vs. External Heating. In daylight,...Ch. 9 - Prob. 60EAPCh. 9 - More Plate Tectonics. Consider a seafloor...
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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
- If you represent Earth’s history by a line 1 m long, how long a segment would represent the 400 million years since life moved onto the land? How long a segment would represent the 4-million-year history of human life?arrow_forwardWhat are Earth’s core and mantle made of? Explain how we know.arrow_forwardScientists find evidence of a large meteor impact on the coast of the YucatánPeninsula in Mexico. What can the scientists most likely expect to find in the layers of rock that are about the same age as the impact?A. evidence of the mass extinction of many speciesB. evidence of a gradual change of one species over timeC. evidence of a rapid change in one speciesD. evidence of the stability of many species over timearrow_forward
- Hydrothermal vent areas have hydrothermal chimneys, from which hot, mineral-rich water comes out. (This hot water often looks like black smoke, but it's not really smoke, it just has a lot of dark, microscopic mineral grains in it.) Where does this hot water come from? a Ice underneat the seafloor gets melted by volcanic activity, and this extra water comes out of the vents. b It comes directly from the Earth's core, since our core is made of hot, high-pressure water. c It is seawater that went down through cracks, got heated by magma, and rises up to emerge from the seafloor. d Some of the minerals in the Earth's mantle break down and release large volumes of water.arrow_forwardSome planets have very strong magnetic fields. What features must a planet have to cause this? a.both rapid rotation and a conducting liquid core b.only a rapid rotation c.only a liquid conducting core d.both a rapid rotation and a solid metallic core e.only a metallic corearrow_forwardWhat is the significance of size of the planet and its atmostphere in supporting life? What two planets have the possibility in supporting life like earth?arrow_forward
- Activity #1. Compare and Contrast. Similarities and differences of Venus, Earth and Mars. Do this on a separate sheet of paper. 1. Compare and contrast the three (3) terrestrial planets using table 1. 2. Provide explanations for your observations using table 2. 3. Answer the following guide questions. Guide questions: 1. Does planet size affect gravity? 2. Why do you think Venus has the highest mean temperature among the three planets? 3. Is presence of water a primary factor for a planet to sustain life? Why or why not? 4. Based on your observations using table 2, what are the notable features that makes the earth the only habitable planet among the three terrestrial planets? 5. What conclusions can you make?arrow_forwardList and describe the different layers inside the Earth? How does the interior of the Earth create magnetic field? 3 paragraph.arrow_forwardEarth’s metallic core has about 55% of the planet’s radius. What percentage of Eth’s volume is taken up by the core?arrow_forward
- Over the entire Earth, there are 60,000 km of active rift zones, with average separation rates of 5 m/ century. How much area of new ocean crust is created each year over the entire planet? (This area is approximately equal to the amount of ocean crust that is subducted since the total area of the oceans remains about the same.)arrow_forwardCO2 and planetary warming: understanding Earth’s complicated atmosphere Mars has an atmospheric pressure of 6 mbar (compared with Earth atmosphere pressure of 1013 mbar), 96% of which is CO2. The average calculated temperature of Mars is -57°C, whereas the actual average temperature is -55°C so that the amount of warming due to CO2 is only 2°C. On the other hand, the average calculated temperature of Earth, with 0.4 mbar of CO2, is -19°C, whereas the actual average temperature is 15°C so that the amount of warming due to CO2 is 34°C, much greater than that on Mars, which has higher CO2 concentration. Explain how this is possible.arrow_forwardf. Assuming the Earth as an ideal sphere, determine the percentage volume of the core relative to the total volume of the earth. Note: Radius of the Earth is 6371 km, and radius of the core is 3481km.arrow_forward
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