Universe: Stars And Galaxies
Universe: Stars And Galaxies
6th Edition
ISBN: 9781319115098
Author: Roger Freedman, Robert Geller, William J. Kaufmann
Publisher: W. H. Freeman
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Chapter 5, Problem 1Q
To determine

The eclipse of Jupiter’s moon observed from Earth.

Expert Solution & Answer
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Answer to Problem 1Q

The eclipse of Jupiter’s moons will be seen to occur several minutes early on Earth.

Explanation of Solution

As the orbit of Earth is smaller in radius as compared to Jupiter’s, the time period of Earth to complete one revolution is shorter than the time period of Jupiter. Thus, Earth will move faster as compared to Jupiter. Also, the motion of Earth is in the opposite position.

The relative motion of Earth and Jupiter results in decreasing the distance between Earth and Jupiter by some light years. This will result as the eclipse of Jupiter’s moons will be seen to occur several minutes early on Earth.

Conclusion:

Thus, the eclipse of Jupiter’s moons will be seen to occur several minutes early on Earth.

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