This planet is named after the Roman god of messengers.
What is Mercury?
This is the term for a year.
What is the period of revolution.
This planet has a molten volcanic surface.
What is Venus?
This is the thing that the planets orbit around.
What is the sun?
This planet would float in water.
What is Saturn ?
This planet is named for its deep blue color.
What is Neptune?
This is the term for a day.
What is a period of rotation?
This is the only planet with liquid water.
What is Earth?
This is the shape of the planets orbits.
What is an elliptoid?
This planet has the most moons
What is Saturn?
This planet is named for the blood red color of its surface.
What is Mars?
This is the name for the distance between Earth and the sun.
What is an astronomical unit?
This is the term for area in which planets might be able to support life.
What is the goldilocks zone?
This is the type of object orbiting in between Mars and Jupiter.
What are asteroids?
This is the planet with the fastest orbit.
What is mercury?
This is the name for our star.
This is the term for the inner planets.
What are the terrestrial planets?
This planet is mostly dust dunes and craters and has polar ice caps.
What is Mars?
What is the term for a large celestial body that does not have the mass to be considered a planet yet still has an orbit.
What is a dwarf planet?
This planet has longer days than it does years.
What is Venus?
This planet is named for its size after the king of the roman gods.
What is Jupiter
This is the term for when carbon dioxide is trapped and heated in the air.
What is the greenhouse effect?
This is the smallest planet with a solid surface with almost no erosion.
What is mercury?
This is the term for force that keeps the planets orbiting.
What is gravity?
This liquid is what determines the goldilocks zone.
What is water?