c) A solar day is 24 hours, from noon when the Sun is overhead in the sky, until the Sun is again overhead at noon the following day. However, if any other star in the sky is used (working from midnight to midnight when the star could be seen overhead), the measured time from the star being overhead from one day to the next day is a few minutes shorter. This is called a sidereal day. Explain why the sidereal day is shorter (you may use a diagram), and calculate by how many minutes the length of a sidereal day is less than 24 hours. Hint: the Earth takes 365.25 days to orbit the Sun.

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
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c) A solar day is 24 hours, from noon when the Sun is overhead in the sky, until the Sun
is again overhead at noon the following day. However, if any other star in the sky is
used (working from midnight to midnight when the star could be seen overhead), the
measured time from the star being overhead from one day to the next day is a few
minutes shorter. This is called a sidereal day. Explain why the sidereal day is shorter
(you may use a diagram), and calculate by how many minutes the length of a sidereal
day is less than 24 hours.
Hint: the Earth takes 365.25 days to orbit the Sun.
Transcribed Image Text:c) A solar day is 24 hours, from noon when the Sun is overhead in the sky, until the Sun is again overhead at noon the following day. However, if any other star in the sky is used (working from midnight to midnight when the star could be seen overhead), the measured time from the star being overhead from one day to the next day is a few minutes shorter. This is called a sidereal day. Explain why the sidereal day is shorter (you may use a diagram), and calculate by how many minutes the length of a sidereal day is less than 24 hours. Hint: the Earth takes 365.25 days to orbit the Sun.
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