Celestial Terms
Astronomical Events
Celestial Movements
Zodiac and Constellations
Diagram Labels
100
This imaginary line divides the Celestial Sphere into the Northern and Southern Hemispheres.
Celestial equator
100
Name the two equinoxes and their dates.
Autumnal equinox September 22, Vernal equinox march 20
100
What is the name of the North Star?
Polaris
100
How many zodiac constellations are there in total?
12
100
Label the celestial sphere on the diagram.
36
200
The imaginary sphere of stars surrounding Earth is known as the
Celestial Sphere
200
Name the two solstices and their dates.
Summer solstice June 21, Winter solstice December 21
200
Explain the difference between a revolution and a rotation.
Rotation is the Earth spinning on its axis; revolution is the Earth orbiting around the sun.
200
Name 3 Zodiac Constellations
Aries, Taurus, Gemini, Cancer, Leo, Virgo, Libra, Scorpio, Sagittarius, Capricorn, Aquarius, Pisces
200
Identify the summer Solstice on the diagram
37
300
These patterns in the sky are formed by groups of stars.
Constellations
300
What is the tilt of the Earth on its axis?
23.5 degrees
300
Describe the tilt of the Earth's axis.
23.5 degrees
300
What is the significance of zodiac constellations?
They are named after Greek mythology and help to tell the changing of the seasons.
300
Identify the Vernal Equinox
38
400
The apparent path of the sun in the sky is called the
Ecliptic
400
What direction does the earth spin on this axis
counterclockwise
400
How often does the Earth complete one rotation on its axis?
24 hours
400
Which zodiac constellation is associated with the ram?
Aries
400
Label the position of the North Celestial Pole
42
500
his is the point in the sky directly above an observer.
Zenith
500
What direction does the earth travel around the sun?
Counterclockwise
500
What causes the changing seasons on Earth?
The tilt of the Earth's axis and its orbit around the sun.
500
What constellation is associated with the maiden?
Virgo
500
Label the Autumnal Equinox
43