Q4.PS11.Quiz#4

Ancient Greeks considered Earth to be enclosed in a hollow sphere called the __________________.

• Celestial Equator

• Celestial Sphere

• Ecliptic

• Axis

What is the name of the star closest to the Celestial North Pole?

• Rigel
• Vega
• Polaris
• Orion

What is the Sun's path through the celestial sphere called?

• meridian

• declination

• ecliptic

• right ascension

The point in the sky directly above your head at any given time is called the

• nadir
• zenith
• celestial pole
• horizon point
• bald spot

The celestial sphere turns once around each day because

• the planet on which we live is rotating
• the Earth is going around the Sun
• the phases of the Moon
• precession
• everything in the universe turns around the Earth

The south celestial pole and the north celestial pole lie in the sky directly above

• the Earth's equator
• the observer's zenith
• the ecliptic
• the Earth's axis
• the town of Bayonne, New Jersey

On the celestial sphere, halfway between the celestial poles lies the

• horizon
• zenith for all observers
• celestial equator
• path of the Sun on any given day
• celestial hungarian

From horizon to opposite horizon, the sky takes up how much angular distance?

• 90 degrees
• 180 degrees
• 360 degrees
• 100 degrees
• you can't fool me, this number varies with latitude

Which diagram best represents the regions of Earth in

sunlight on June 21 and December 21?

• 
• 
• 
• 

This apparent path of the Sun was observed on the

first day of

• spring

• Fall

• Summer

• Winter