From where ?
The longitude exactly on the other side of the world from me is [ 92° 16' 44" east ].
Prime Meridian?
another name for a line of longitude is meridian.
The name of the line that has 0 longitude is the prime meridian
A "meridian" is a line of constant longitude.
Another name for a line of longitude is "meridian."
They're often referred to as "meridians" of longitude.
longitude
another name for a line of longitude is meridian.
Every 'line' of constant longitude is a 'meridian'.
A Meridian (I Think)
No. 90 degrees longitude is not a major line of longitude. Only 0 and 180 degrees longitude, which are the Greenwich Meridian and the International Date Line respectively, are major lines of longitude.
The equator or any line of longitude or meridian.