Loose Leaf For Explorations: Introduction To Astronomy
9th Edition
ISBN: 9781260432145
Author: Thomas T Arny, Stephen E Schneider Professor
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 7, Problem 1QFR
Describe a crater and how it is formed. Why do some craters contain maria?
Expert Solution & Answer
To determine
The process of crater formation and the reason why some craters contain maria.
Answer to Problem 1QFR
Crater is the numerous circular pits that are in the bright area with a raised rim and the central peak. It is formed by asteroids or meteorites colliding on Moon’s surface. When larger bodies hit the Moon’s surface before its interior solidified, craters with maria are formed.
Explanation of Solution
Craters are the bright areas with large circular pits. It formed when the surface of the Moon is hit by asteroids and meteorites and splashing the surface, as a raindrop falling into water, creating a circular pit with central peak and raised rim. The diameter and the depth of the crater depends on the velocity and the mass of the bodies that struck the Moon’s surface.
When larger bodies struck the surface of the Moon before the interior of the moon undergone complete solidification, a much deeper crater is created and molten lava comes out of the Moon’s interior and fills the surface. Eventually, this area is cooled and this area is called maria.
Conclusion:
Crater is the bright area with numerous circular pits, raised rim and the central peak. It is formed by asteroids or meteorites colliding on Moon’s surface. When larger bodies hits the Moon’s surface forms craters with maria.
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3.37(a) Five free electrons exist in a three-dimensional infinite potential well with all three widths equal to \( a = 12 \, \text{Å} \). Determine the Fermi energy level at \( T = 0 \, \text{K} \). (b) Repeat part (a) for 13 electrons.
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Chapter 7 Solutions
Loose Leaf For Explorations: Introduction To Astronomy
Ch. 7 - Describe a crater and how it is formed. Why do...Ch. 7 - How do the maria differ from the highlands?Ch. 7 - Prob. 3QFRCh. 7 - What formed the maria? Why are they smooth?Ch. 7 - Prob. 5QFRCh. 7 - Prob. 6QFRCh. 7 - Why does the Moon lack an atmosphere?Ch. 7 - Prob. 8QFRCh. 7 - How do astronomers think the Moon formed? What...Ch. 7 - Why is the Moons surface heavily cratered but...
Ch. 7 - Prob. 11QFRCh. 7 - Prob. 12QFRCh. 7 - Prob. 13QFRCh. 7 - Highway surfaces develop potholes over time. How...Ch. 7 - Bergmanns rule states that individuals of a given...Ch. 7 - Prob. 3TQCh. 7 - Why will an astronauts footprint on the Moon last...Ch. 7 - Prob. 5TQCh. 7 - Prob. 6TQCh. 7 - If the day were 12 hours long, what would be the...Ch. 7 - Prob. 8TQCh. 7 - Why do tides happen about an hour later each day?Ch. 7 - Prob. 1PCh. 7 - Prob. 2PCh. 7 - Prob. 3PCh. 7 - Prob. 4PCh. 7 - Prob. 5PCh. 7 - Prob. 6PCh. 7 - Prob. 7PCh. 7 - Prob. 8PCh. 7 - Prob. 9PCh. 7 - Prob. 1TYCh. 7 - Prob. 2TYCh. 7 - Prob. 3TYCh. 7 - Prob. 4TYCh. 7 - Prob. 5TYCh. 7 - Prob. 6TY
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