Planets Flashcards
Farther apart, made mostly of gas, less dense, larger, longer revolution, less is known about them
Outer Planets
A celestial body moving in an elliptical orbit around a star
Planet
A natural force of attraction exerted by a celestial body on objects that are on or near its surface
Gravity
How do planets revolve around the sun?
Clockwise
Characteristics of Planets
color, proximity to the sun, size, speed, density, physical/chemical makeup
What is the force that governs all planetary movement in the solar system
Gravity
Closest Planet to the Sun
Mercury
largest planet
Jupiter
The “red planet”
Mars
Great Dark Spot similar to Jupiter’s Great Red Spot
Neptune
Axis is turned sideways and rotates north to south
Uranus
Great Red Spot
Jupiter
Grand Canyon of this planet dwarfs the Grand Canyon on Earth
Mars
Made up of 2/3 water
Earth
2nd closest planet to the Sun
Venus
Has a magnetosphere which deflects harmful electromagnetic rays from the Sun
Earth
Thirteen sets of rings, some are partial
Uranus
Low density - could float in a bathtub
Saturn
Galileo discovered many of this planets moons
Jupiter
Largest dust storms
Mars
“Sister” to Earth in size
Venus
2nd hottest planet
Mercury
hottest planet due to its thick atmosphere and the green house effect
Venus
Has the largest volcano, Olympus Mons
Mars
The largest MOON in the solar system
Ganymede
Has many rings made of ice and dust
Saturn
Innermost moon to Jupiter
Io
This Galilean moon has the smoothest surface of any known solid object in the solar system
Europa
This Galilean Moon is almost as big as Mercury and is heavily cratered
Callisto
This Galilean Moon is believed to have an underground ocean and magnetic field
Ganymede
Close together, terrestrial, rocky, more dense, smaller, shorter revolution, few or no moons
inner planets
Another term for outer planets
Jovian Planets and Gas Giants
Another term for inner planets
Terrestrial Planets
A regular path one object takes around another object
orbit
This planets surface is covered in craters
Mercury
This planet has the moon Titan
Saturn
Home of the strongest winds in the solar system`
neptune