5. An observer on Earth observes Planet X to be 24 light-years away and stationary. An observer An a spaceship passing Earth on its way to Planet X observes Planet X to be 19.2 light-years away. According to the observer in the spaceship, how much time passes between Earth passing by and Planet X passing by? a) 18 years b) 22 years c) 24 years d) 28 years e) 32 years

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
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5. Please explain in detail why the highlighted answer is correct. Thank you!!
5. An observer on Earth observes Planet X to be 24 light-years away and stationary. An observer
in a spaceship passing Earth on its way to Planet X observes Planet X to be 19.2 light-years away.
According to the observer in the spaceship, how much time passes between Earth passing by and
Planet X passing by?
a) 18 years
b) 22 years
c) 24 years
d) 28 years
32 years
Transcribed Image Text:5. An observer on Earth observes Planet X to be 24 light-years away and stationary. An observer in a spaceship passing Earth on its way to Planet X observes Planet X to be 19.2 light-years away. According to the observer in the spaceship, how much time passes between Earth passing by and Planet X passing by? a) 18 years b) 22 years c) 24 years d) 28 years 32 years
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