That Polaris Will Not Always Be the Pole Star Is

question 89

Multiple Choice

That Polaris will not always be the pole star is due to:

• A)the sidereal day being shorter than the solar day.
• B)precession shifting the celestial pole.
• C)the Moon following the ecliptic, instead of the equator.
• D)the Earth's revolution being slightly less than exactly 365.25 days.
• E)the Solar winds blowing the Earth farther away from the Sun.

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Definitions:

Tracks

Physical or digital paths recorded media follows or the specific courses of development or research.

Seek Time

The time it takes for a hard drive’s read/write head to locate the correct track on a disk.

Platters

The circular disks inside a hard drive where data is magnetically recorded and stored.

System Clock

A timing device within a computer that synchronizes and governs the timing of all computer operations.