Planet Earth Flashcards
1
Q
What shape is the earth?
A
It is an Oblate Spheroid
2
Q
What is the mean diameter of the earth?
A
13000km
3
Q
What are earths 4 major internal divisons?
A
Crust
Mantle
Outer core
Inner core
4
Q
What are the major divisions of the earths surface?
A
Equator Trapoic of cancer Tropic of Capricorn Artic circle Antratic circle Prime meridian North and south poles
5
Q
What is skyglow?
A
Light pollution
6
Q
What is twinkling
A
Seeing
7
Q
What are the features of the crust?
A
The crust is made of solid rocks and minerals
8
Q
What are the features of the mantle?
A
Mostly solid rock, but less visocus at tectonic plate boundaries and mantle plumes.
