The Prime Meridian is made up of all the points with zero longitude and every latitude.
It is latitude lines. this is all from my geography class. hehehe
80
That's the "Prime Meridian".
equator , prime merdian
longitude
The prime meridian is a line at 0 degrees longitude.
The Prime Meridian is not like the others. It's a meridian of longitude, whereas the other two are both parallels of latitude.
0 degrees longitude
The prime meridian is a line at 0 degrees longitude.
equator
The equator and the Prime meridian meet at zero degrees latitude and longitude.
A quarter of the way. Assuming you're traveling longitudinally, the actual distance would be dependent upon your latitude. The further north or south you are from the Equator, the shorter the distance.