Julian Day System Overview
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Questions and Answers

The Sidereal Day is exactly 24 hours long.

False (B)

The Solar Day is constant in length throughout the year.

False (B)

The North Celestial Pole is directly above Earth's South Pole.

False (B)

The Meridian extends from horizon due east, through the zenith, to horizon due west.

<p>False (B)</p> Signup and view all the answers

Greatest Elongation occurs when a planet appears closest to the Sun in our sky.

<p>False (B)</p> Signup and view all the answers

Celestial Equator is the extension of Earth's equator onto the celestial sphere.

<p>True (A)</p> Signup and view all the answers

Zenith has an altitude of 0º.

<p>False (B)</p> Signup and view all the answers

The Sidereal Day is longer than the Solar Day.

<p>True (A)</p> Signup and view all the answers

Local Sky refers to the sky as viewed from space stations orbiting Earth.

<p>False (B)</p> Signup and view all the answers

Celestial Navigation uses coordinates of altitude and distance to pinpoint objects in the local sky.

<p>False (B)</p> Signup and view all the answers

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