Earth Flashcards
1
Q
What is the shape of the Earth?
A
Geoid
2
Q
The compression ratio of earth
A
0.3% or 1/300th
3
Q
inclination of earth orbit
A
23 1/2
4
Q
How does the earth rotate?
When seen from north and south pole
A
North - anticlock
South - clock
5
Q
What is the shortest path between two points?
A
smaller arc of great circle
6
Q
latitude of arctic circle
A
66 1/2 N
7
Q
lat of antarctic circle
A
66 1/2 S
8
Q
lat of trop of cancer
A
23 1/2 N
9
Q
lat of trop of capricorn
A
23 1/2 Ss
10
Q
max var between geocentric and geodetic lats?
A
45 N/S