Geocentric
What is Earth-Centered System?
Rotation
What is the spinning of a planet on an axis?
Third Rocky Planet
What is Earth?
Thickest Atmospheres
What are the Gas Giants?
Pluto
What is now considered to be a dwarf planet?
Terrestrial
What are the inner rocky planets?
Revolution
What is a full orbit of a planet around the sun?
Iron Oxide
What is the reason Mars is red?
Longest Year
What is Neptune?
Explored by Rover
What is Mars?
Planet Day
Shortest Day
What is Mercury?
Most Mass
Hottest Planet
What is Venus?
Gas Giants
What are the four outer planets of the solar system?
Planet Year
What is the time it takes for a planet to make a complete revolution?
365 Day Year
What is Earth?
Order from Sun
What is Jupiter, Saturn, Uranus, Neptune?
1 Astronomic Unit
What is the distance of Earth from the Sun?
System Formation
What is gravitational force of the Sun?
Moon
What is a natural satellite that orbits a planet?
No Atmosphere
What is Mercury?
Coldest Planet
What is Uranus?
Light Year
What is the unit of time used to measure objects outside of our solar system?