Celestial Navigation Quiz

It deals principally with celestial coordinates time and the apprarent motions of cere-with respect to the earth

• Celestial Navigation

• Navigational Astronomy

• Astronomers

• Absolute motion

This is a fictitious sphere which astronomers have invented.

• celestial sphere

• celestial equator

• celestial navigation

• spherical shell

The path that the sun appears to take among the stars due to the annual rotation of the earth in its orbit is called

• declination

• celestial equator

• ecliptic

• equinoxes

The sun's apparent annual path cuts the equinoctial at two points is known as

• ecliptic

• ecuinoxes

• declination

• altitude

The points on the celestial sphere which are 90 deg from the equinoxes are the,

• latitude

• declination

• equinoxes

• solstice

The primary great circle on the surface of the earth which is 90 deg midway from the Nor or South Pole is

• equator

• declination

• latitude

• Prime meridian

Is the great circle of the imaginary celestial sphere on the same plane as the equator earth

• celestial meridian

• declination

• celestial equator

• horizon

Is the Great circle passing through the celestial pole, as well as zenith and nadir of an observer’s location.

• declination

• latitude

• altitude

• meridian

Is a great circle of the celestial sphere similar to the celestial meridian, but passess thru the poles and heavenly body.

• hour circle

• polar distance

• celestial pole

• celestial sphere

In the Horizon system of coordinates what is the equivalent of the local hour angle in the celestial equator system?

• zenith distance

• altitude

• azimuth

• co-longitude