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2. From the point of view of an observer on Earth (consider the Earth as a point-like object), during the eclipse, the Moon covers the Sun exactly. Sketch a picture to illustrate this fact. Use a ruler to get a straight line. Your drawing does not need to be in scale.

2. From the point of view of an observer on Earth (consider the Earth as a point-like object), during the eclipse, the Moon covers the Sun exactly. Sketch a picture to illustrate this fact. Use a ruler to get a straight line. Your drawing does not need to be in scale.

Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
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Part 3 1. The diameter of the Sun is 1,391,400 km. The diameter of the Moon is 3,474.8 km. Find the ratio, r= DSun/DMoon between the sizes. r= [Rsun / Dmeon] r= [1,391,400 / 3,474.8] r= 400.425 r= 400.425 2. From the point of view of an observer on Earth (consider the Earth as a point-like object), during the eclipse, the Moon covers the Sun exactly. Sketch a picture to illustrate this fact. Use a ruler to get a straight line. Your drawing does not need to be in scale. 3. The Sun is 1 Astronomical Unit (AU) away from the Earth. Find the distance between the Earth and the Moon in AU's using the ratio of similar triangles. Show your work. DE/M = AU. Convert this to kilometers. Use 1 AU = 149,600,000 km. DE/M = km. 4. From Earth, the angular size of the Moon is 0.5°. The distance between the Earth and the Moon is 384,400 km. Use the small-angle formula to find the size of the Moon (Recall that you must first convert the angle to radians). Compare this number to the diameter of the Moon given previously. Is it consistent?
Transcribed Image Text:Part 3 1. The diameter of the Sun is 1,391,400 km. The diameter of the Moon is 3,474.8 km. Find the ratio, r= DSun/DMoon between the sizes. r= [Rsun / Dmeon] r= [1,391,400 / 3,474.8] r= 400.425 r= 400.425 2. From the point of view of an observer on Earth (consider the Earth as a point-like object), during the eclipse, the Moon covers the Sun exactly. Sketch a picture to illustrate this fact. Use a ruler to get a straight line. Your drawing does not need to be in scale. 3. The Sun is 1 Astronomical Unit (AU) away from the Earth. Find the distance between the Earth and the Moon in AU's using the ratio of similar triangles. Show your work. DE/M = AU. Convert this to kilometers. Use 1 AU = 149,600,000 km. DE/M = km. 4. From Earth, the angular size of the Moon is 0.5°. The distance between the Earth and the Moon is 384,400 km. Use the small-angle formula to find the size of the Moon (Recall that you must first convert the angle to radians). Compare this number to the diameter of the Moon given previously. Is it consistent?
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