Celestial Sphere

What do we call the line that the sun traces across the celestial sphere?

• The celestial equator
• Ecliptic
• solstice

What is the celestial equator?

• A band of constellations through which the planets and sun appear to move.
• The line that the sun traces across the celestial sphere.
• An imaginary line in the sky directly above Earth's equator.

A zenith is________.

• The point directly below someone looking down.
• The point directly above someone looking up.
• The area of land the person is standing on within the celestial sphere.

What is the equivalent of latitude on the celestial sphere?

• Longitude

• Right Ascension

• Declination

• Greenwich Hour Angle

What is the sun's apparent path on the celestial sphere called?

• Galactic Plain

• Precession of the Equinoxes

• Plains of Abraham

• Ecliptic Plane

What name is given to the array of constellations that the ecliptic plane passes through?

• Horoscopes

• Constellations

• Array of constellations

• Zodiac

What name is given to a recognizable pattern of stars smaller than a constellation?

• Asterism

• Zodiac

• Constellation

• Polaris

What units are used to measure declination?

• Hours

• Minutes

• Degrees

• Meters

What units are used to measure right ascension?

• Hours

• Degrees

• Furlongs

• Meters

What star is very close to the North Celestial Pole of Earth?

• Betelgeuse

• Polaris

• Orion

• Sol