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For all practical purposes, yes. But the earth is not a perfect oblate spheroid, although it is very close. If you want to get very picky, there may be technical differences in their lengths just because of the unevenness of the earth's surface in places. Meridians that cross only or mostly water would arguably be of the shortest possible length. Those crossing mountain ranges or otherwise quite varied terrain would be technically longer.
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∙ 10y ago
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Are all meridians of equal length?
No
Why was it necessary to specify a particular meridan when determining the length of a meter?
I don't see the need for that - all meridians (for example, at sea level) should have the same length.
Which lines of longitude and latitude vary in length?
-- All meridians of longitude have the same length ... they all join the north and south poles. -- Each parallel of north latitude has the same length as the parallel at the equal south latitude, but no other one.
Why aren't all parallels equal in length like meridians are?
There's a simple answer: The earth is a sphere and the parallels are, well, parallel to each other. So obviously the ones closer to the poles are shorter than the ones closest to the Ecuator. As for the meridians all meet at one point ehich are the poles, so they are all the same length.
Are the lines of longitude the same distance apart at the equator as they are at the poles?
No. All of the meridians merge in a single point at the poles.
Which is the longest meridian?
All meridians of longitude join the Earth's north and south poles. So they all have the same length ... half of the Earth's polar circumference, or about 24,800 miles.
Differences between parallels and meridians?
-- Parallels are associated with latitudes. Meridians are associated with longitudes. -- Parallels are parallel, and no tweo parallels intersect. All meridians intersect all other meridians, at two places. -- Every point on a parallel has the same latitude. Every point on a meridian has the same longitude. -- Every parallel in the same hemisphere has a different length. Every meridian on Earth has the same length. -- Every parallel is a full circle. Every meridian is a semi-circle. -- Every parallel crosses all longitudes. Every meridian crosses all latitudes. -- The distance between two parallels is the same at every longitude. The distance between two meridians depends on the latitude where it's measured. -- To cross all parallels, you only have to travel 12,000 miles. To cross all meridians, you have to travel 24,000 miles.
Why are longitudes called meridians of longitudes?
as all the places on the same longitude have their noon at the same time
What are the longest latitude and longest longitude?
The longest parallel of latitude is the one defined as 'zero degrees', known as the "Equator". All meridians of longitude have the same length ... 1/2 of the earth's polar circumference.
Why is the distance between meridians constant?
Because the meridians are not parallel. They're the slices you make when you want to cut an orange into sections, where each slice goes through the same point on top and the same point on the bottom, and the pieces taper, from wide at the skin to nothing at the middle. The parallels are literally parallel. They're the slices you make when you want to cut the orange into "rounds", where the slices are all parallel, and the pieces are all circular disks of different sizes.
Where do all meridians meed?
All meridians of longitude converge (meet) at the north and south poles.
Which direction do Yin meridians flow?
Of the twelve regular meridians, the yin meridians always flow up the body, and all the yang meridians always flow down.
What is the importance of the meridians of longitude?
A meridian joins together all the places with the same longitude but different latitudes.
Is 180 degrees east is the longest longitude?
All meridians of longitude have the same nominal length. However, at any given longitude, the meridian of 180° East longitude is the one farthest from the Prime Meridian. Perhaps that's what you had in mind.
Why are all the diameters of a circle the same length?
They are not all the same length. If that was the case all circles would be the same size.
What was the length of the trireme?
They were not all the same length.
Does a hexagon have the same length on all sides?
In general no. A regular hexagon has the same length on all sides. Also, there are other hexagons with the same length on all sides that are not regular.
