Inner Planets
This planet has several robotic rovers exploring it right now.
What is "Mars"?
The largest planet in the Solar System.
What is "Jupiter"?
This dwarf planet was considered a true planet from 1930-2005.
What is "Pluto"?
The moons of Jupiter were discovered by this Italian astronomer.
Who is "Galileo"?
The term used to describe Jupiter and Saturn.
What is "Gas Giants"?
This planet has a thick, toxic atmosphere.
What is "Venus"?
The furthest planet from the Sun.
What is "Neptune"?
The largest moon of Pluto.
This moon is extremely volcanically active.
The term used to describe Mercury, Venus, Earth, and Mars.
What is "Inner planets"?
The atmosphere on this planet creates a powerful greenhouse effect, causing the temperature to soar.
What is "Venus"?
The clouds around the north pole of this planet form a giant hexagon.
What is "Saturn"?
This dwarf planet is located in the asteroid belt.
What is "Ceres"?
This moon is covered entirely in ice, and likely has an ocean of liquid water underneath.
What is "Europa"?
The term used to describe planets beyond the asteroid field.
What is "outer planets"?
This planet has large ice sheets at each pole.
What is "Mars"?
The moons Titan and Enceladus orbit this planet.
What is "Saturn"?
Although smaller than Pluto, this dwarf planet is the most massive.
What is "Eris"?
The largest moon of Jupiter, and the largest moon in the Solar System.
What is "Ganymede"?
The term used for planets beyond our solar system.
What is "exoplanets"?
This planet has a solid iron inner core, a liquid iron outer core, a silicate mantle, and a rocky crust.
What is "Earth"?
This planet has an axial tilt of 97 degrees.
What is "Uranus"?
This dwarf planet was considered a true planet from 1801-1867.
What is "Ceres"?
The only one of Jupiter's major moons that is not in orbital resonance with the others.
What is "Callisto"?
The point where the electrostatic pressure from the solar wind is equal to that of the interstellar medium.
What is the "heliopause?"