a group of many stars, gas, and dust held together by gravity
What is a galaxy?
The imaginary line through the middle of the Earth, which it rotates on
What is the axis?
The motion of one object traveling around another in space
What is revolution/orbit?
The season in the Northern Hemisphere at point A
What is summer?
The season a hemisphere experiences when it receives the least direct sunlight
What is winter?
The force of attraction between objects due to their masses
What is gravity?
The amount of time it takes the Earth to rotate once
What is a day/24 hours?
The 2 seasons that begin on equinoxes
What are fall and spring?
The season in the Southern Hemisphere at Position D
What is fall?
2 things that determine how much gravity an object has
What are mass and distance?
a large round object that orbits the sun
What is a planet?
The reason we have day and night
What is rotation of the Earth?
The season when there are the longest hours of daylight
What is summer?
The two points on the diagram that are equinoxes
What are A and C?
The day the sun is as far north or south of the equator as possible
What is a solstice?
the sun and everything that orbits it
What is the solar system?
What you experience when your location on Earth is facing the sun
What is day?
The direction the earth moves around the sun
What is counterclockwise?
The point on the diagram where the Southern Hemisphere experiences Spring
What is Position D?
The date when winter begins in the Southern Hemisphere
What is June 21?
The day the sun is directly on the equator
What is an equinox?
Where you're facing if it's night at your location
What is away from the sun?
The month when spring begins in the Southern Hemisphere
What is September?
The approximate date at Position B
What is December 21?
The reason the North and South Poles are always cold (even in summer)
What is they never get direct sunlight?