The imaginary line that the Earth spins on from the north pole to the south pole is called the:

The illusion that an object in the sky is moving due to the Earth's movement is known as:

The movement of one object around another is referred to as:

What is the term for the path an object takes around another object?

Half of a planet is called a:

When day and night are equal in length, it is known as an:

The point in time when there is maximum daylight or maximum night is called a ______________.  It occurs in late December to mark the beginning of winter and late June to mark the beginning of summer.

The changing appearance of the moon as seen from Earth is referred to as:

What occurs when one object blocks the light from another object?

The twice-daily event caused by the moon's gravity that results in rising and lowering ocean levels is known as:

The layer of dirt found on the moon's surface is called:

A ball of hot gases that emits light and energy is known as a:

All bodies in space and the space between them are referred to as the:

A system of stars, gas, and dust held together by gravity is called a:

A region in space where gravity is so strong that light cannot escape is known as a:

A group of stars forming a specific pattern as seen from Earth is called a:

The largest objects that orbit a star are:

Planets primarily made up of rock are known as:

Planets primarily made up of gas are referred to as:

Giant rocks that orbit a star are called:

A body smaller than a planet but larger than an asteroid is known as a:

A ball of ice and rock that orbits a star is known as a:

The region in the solar system between Mars and Jupiter where most asteroids are found is called the:

The motion of the Earth around the sun is known as:

The gravitational pull of the moon primarily affects which of the following?

Which planet is the first from the sun?

Which planet is the second from the sun?

Which planet is the third from the sun?

Which planet is the fourth from the sun?

Which planet is the fifth from the sun?

Which planet is the sixth from the sun?

Which planet is the seventh from the sun?

Which planet is the eighth and last planet from the sun?

The celestial event when two celestial bodies align and one blocks the light of the other is known as a: