The celestial body that is made mostly of ice.
What is a Comet?
The equipment that carries astronauts on missions.
What is a shuttle?
The planet that contains the Galilean moons.
What is Jupiter?
The body that governs gravity in our Solar System?
What is the Sun?
The movement that causes day and night.
What is rotation?
The celestial body that rotates around the Earth.
What is the moon?
The equipment that sets rovers on planets.
What is a lander?
The planet with the shortest orbit in our Solar System.
What is Mercury?
Gravity decreases when this increases.
What is distance?
The movement of the Earth around the Sun.
What is revolution?
The celestial body that burns in a brief bright display when entering the Earth's atmosphere.
What is a meteor?
The piece of equipment in Earth's orbit that houses astronauts from several countries.
What is the ISS?
The planet with the largest diameter in our Solar System.
What is Jupiter?
Gravity increases when this increases.
What is Mass?
This is an object's ability to resist change.
What is inertia?
The celestial body that is mostly rock and larger than meteoroids but smaller than moons.
What is an asteroid?
The equipment that is currently exploring the surface of mars.
What is a Rover?
The planet that is rotating sideways.
What is Uranus?
What is travel in a different path?
The first rocket launched by Russia in the Great Race to Space.
What is Sputnik?
The orbital pattern that celestial bodies follow around the Sun.
What is elliptical?
The equipment used to explore places where humans cannot go.
What is a probe?
This is the only characteristic that all the planets in our Solar System share.
What is shape?
This is how the gravity between the Earth and the Sun is...trapping the moon in Earth's orbit.
What is unbalanced?
This is how the orbital paths of our planets look.
What is circular?