Planets Test Pt1 Flashcards
(10 cards)
1
Q
What is an astronomical unit (AU)
A
A unit of measure used to c how far the earth is from the sun
2
Q
What r 3 typs of metiorite
A
Steny
Steny - iron
Iron
3
Q
A
Comets
4
Q
Order of the planets from smallest to largest
A
Mercury
Mars
Venus
Earth
Neptune
Uranus
Saturn
Jupiter
5
Q
What is a meteorid
A
Fragments of debris in space that cause collisions of comets moons and planets
6
Q
What is an orbit
A
Orbit means to rotate around or do a lap of somthing
7
Q
Why is the equator warmer that the poles
A
The equator recives more solar energy than poles so it is warmer at the equator.
8
Q
What is a habitable zone (HZ)
A
Someware life is possible
9
Q
What is an astroid
A
A rocky object that orbits the sun
10
Q
What is the age of the universe
A
13.8 billion years old