The lines of longitude.
Spectra is most commonly referred to as the plural of spectrum. It is often used in the description of a band of colors such as those produced in a rainbow.
They're often referred to as "meridians" of longitude.
Meridians on a globe get closer and eventually merge at the North and South Poles. On a map (a flat plane) the meridians are drawn parallel and there is distortion at the poles, most noticeable on a world map.
They are most commonly referred to as "eraser shavings".
A group of fish is most commonly referred to as a school
Yes, but they're most commonly referred to as "quarts".
It is commonly referred to as the flesh eating disease.
Latitude is often referred to as parallels, and longitude is often called meridians.
ANTARTICA
Rome is commonly referred to as the "Eternal City."
Most fans call themselves Gleeks.
It is officially called "nisshouki," but most commonly referred to as "hinomaru."