Name the inner/terrestrial planets
Mercury, Venus, Earth, Mars
What are some characteristics of outer planets?
Multiple moons
No solid surface
Support ring systems
Immense in size
Another name for a meteor
shooting star
What are 3 characteristics of inner planets?
Made of rocky material
Surfaces are solid
Don’t have rings Very few moons
Relatively small
What 2 forces keep the planets in motion around the Sun?
Gravity and Inertia
Saturn is famous for...
rings
Describe the asteroid belt (what it is and where it is located)
The Asteroid belt orbits between Mars and Jupiter. It is a flat disc of rocky objects (asteroids).
Which planetary group has the longest orbits?
Outer planets
What planets have rings?
All the outer planets have rings
The Oort Cloud is...
a collection of comets, the edge of the solar system
Our solar system is located in the ________ Galaxy
Milky Way
The Milky Way Galaxy is a ____________ galaxy
Spiral
How many planets revolve around the sun?
8 planets
Why is Mars reddish colored?
Because of its high content of iron oxide or rust
This is the outer most planet and one of the coldest
Neptune
This planet has water systems that help create an environment to sustain life
Earth
This planet is the smallest and closest to the sun
Mercury
The largest planet is
Jupiter
This is the hottest planet with temperatures up to 867 degrees Fahrenheit (464 Celsius)
Venus
Which planet has the shortest orbit?
Mercury
Jupiter and Saturn are considered _________ ___________
gas giants or outer planets
What are the names of the two categories in which the planets are divided into?
Inner and Outer OR Rocky and Gas
The second largest planet is
Saturn
Orbiting in the Kuiper belt and Oort cloud, these "dirty snowballs" are called
comets
How is a meteorite different from a meteor?
meteorite strikes Earths surface