The Earth Flashcards
1
Q
Shape of Earth
A
Oblate Spheroid
2
Q
Great circle
A
Line over a sphere that shares radius and center
3
Q
Def Longitudes and Meridians
A
Lines that Join North and South 0 - 180 (Notating east west)
4
Q
Lattitude
A
Lines around the earth 90 north or south
5
Q
Convergency
A
The angle created by the meridians converging north and south
6
Q
Variation
A
Difference between True and Magnetic North q
7
Q
One Nautical mile is the same as ??? on chart.
A
1 Min of Latitude if 60 min = 1 degree then 1 Degree is equal to 1 nautical Mile
8
Q
1 NM to feet
A
1Nm = 6080ft
9
Q
Earths Orbit
A
Elliptical
10
Q
If 24 hours for 360, how much in one hour and how much in 1 minute??
A
15DEG//H 1deg/4mins
