Planets
A planet that is 2/3 water
Earth
The formula for density
d=m/v
An attractive between objects
Gravity
A celestial body moving in an elliptical orbit around a star
A planet
Used to be a planet
Pluto
The closest planet to the sun
The amount of stuff in an object
When mass increases, gravity (blank)
Increases
A complete orbit around a star
Revolution
Between the inner and outer planets
Asteroid belt
These two planets have rings
Saturn and Uranus
The amount of space an object takes up
Volume
When distance increases, gravity (blank)
Decreases
The imaginary line running through a planet which it rotates along
Axis
Kuiper Belt
The Great Dark Spot
Neptune
How compact a substance is
Density
This objects gravity causes the planets to orbit
The sun
The inner planets are made of (blank) and the outer planets are made of (blank)
Rocks, gas
The hottest planet in the solar system
Venus
These planets are the least dense
The outer planets
The moon has less mass, and therefore less gravity
Terrestrial
Name 2 Galilean Moons
Io, Europa, Ganymede, Callisto