EBK LOOSE-LEAF VERSION OF UNIVERSE
11th Edition
ISBN: 9781319227975
Author: KAUFMANN
Publisher: VST
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Question
Chapter 10, Problem 1CC
To determine
The reason for the presence of darker rock at the lower elevation surface of the Moon.
Expert Solution & Answer
Answer to Problem 1CC
Solution:
The impact basins are deep and the lava from the inside fills them partially therefore, the darker surface is seen on the lower elevations of the Moon.
Explanation of Solution
Introduction:
When an asteroid from the space approaches the surface of the Moon, it strikes the lunar surface and forms a crater. When it happens, it ejects out rocks and debris from the surface and creates a shock wave on the surface of the Moon. The crater has a central peak, crater wall, and an ejecta blanket. After million years, when the lava from the inside flow into the crater, it forms a dark region, called the mare.
Explanation:
The lava flows into the craters from the inside and partially or completely fills it. This iron-rich lava is dark in color and when it sediments and solidifies, it appears dark. As these impact basins are deep, and the lava fills them partially, the darker regions cannot come to the level of the brighter surface in the lower elevation.
Conclusion:
Thus, it can be said that these craters, partially filled with lava, make the lower part of the lunar surface dark.
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Chapter 10 Solutions
EBK LOOSE-LEAF VERSION OF UNIVERSE
Ch. 10 - Prob. 1CCCh. 10 - Prob. 2CCCh. 10 - Prob. 3CCCh. 10 - Prob. 4CCCh. 10 - Prob. 5CCCh. 10 - Prob. 1CLCCh. 10 - Prob. 1QCh. 10 - Prob. 2QCh. 10 - Prob. 3QCh. 10 - Prob. 4Q
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