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How long is a day on Mars?

A: 9 hours, 55 minutes
B: about 4.2 Earth days
C: 24 hours, 36 minutes
D: 243 Earth days
E: 23 hours, 56 minutes

User Quang
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1 Answer

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Final answer:

A day on Mars, known as a sol, lasts approximately 24 hours, 37 minutes, and 23 seconds; therefore, the closest answer is C: 24 hours, 36 minutes.

Step-by-step explanation:

The length of a day on Mars, often called a sol, is slightly longer than that of Earth. Based on precise astronomical observations and calculations, the sidereal rotation period of Mars is 24 hours, 37 minutes, and 23 seconds. So, when considering the options provided by the student, option C: 24 hours, 36 minutes is closest to the accurate length of a day on Mars.

The specifics of Mars' rotation are determined by tracking permanent surface markings over many rotations to achieve incredibly precise measurements. Similarly, the tilt of Mars' axis means it experiences seasons like Earth, only longer due to its extended Martian year.

User JHS
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