This is the imaginary line through the poles of Earth or any sphere.
What is an axis?
What is made up of the sun and all of the objects that travel around it?
What is the Solar System?
This is a rocky body with an irregular shape that is smaller than an asteroid and is known as a shooting star.
What is a meteor?
These objects are sent to collect data on the planets.
What are probes?
This is a natural body that revolves around the Earth.
What is the Moon?
Another Name for the Outer Planets.
What are Gas Giants?
These reusable vehicles transport persons and cargo to space.
What is a space shuttle?
These are the outer planets.
What is Jupiter, Saturn, Uranus, and Neptune?
The force that keeps the planets in orbit.
What is the Gravitational Force?
This is a round object that is smaller than a planet but is not a moon and has an irregular orbit.
What is a dwarf planet?
Another name for the Inner Planets.
What are the Terrestrial Planets?
One rotation of Earth around its axis.
What is one day?
This is the largest planet in the solar system.
What is Jupiter?
These are large pieces of space rock with irregular shapes and is found between Mars and Jupiter.
What are asteroids?
Known as "The Blue Giant", it takes the longest to revolve around the Sun.
What is Neptune?
One revolution around the Sun.
What is a year?