Consider the following statements regarding prime meridian: 1) it passes through Greenwich, where the British royal observatory is located. 2) it is 180 degree longitude. identify the correct statements.
Answers
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The following statements regarding prime meridian are correct.
1) ɪᴛ ᴘᴀssᴇs ᴛʜʀᴏᴜɢʜ ɢʀᴇᴇɴᴡɪᴄʜ, ᴡʜᴇʀᴇ ᴛʜᴇ ʀᴏʏᴀʟ ᴏʙsᴇʀᴠᴀᴛᴏʀʏ ɪs ʟᴏᴄᴀᴛᴇᴅ– it passes through the Greenwhich. The prime meridian at Greenwhich is used as a reference for all other meridians of longitude, which is numbered eat or west of it. If one uses the direction of east and west from a defined prime meridian, they can be called the Eastern and Western hemisphere. It serves as a basic for the world's standard time zone system. Hence, the solar time at Greenwich is now called as the universal time and was formerly called as the Greenwich mean time.
2) ɪᴛ ɪs 180° ʟᴏɴɢɪᴛᴜᴅᴇ– The prime meridian or the line of longitude which is at 0°. A prime meridian and it's opposite in a 360° system is the 180th meridian and they from Great Circle. The longitudes are also called 'meridians of longitude'. Meridian means midday. When the sun is overhead at a certain longitude, it is midday for that particular meridian. It passes from the North Pole to the South Pole, dividing the earth into two parts, eastern hemisphere and western hemisphere.
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⭐ ᴍᴏʀᴇ ɪɴғᴏʀᴍᴀᴛɪᴏɴ ᴏɴ ʟᴏɴɢɪᴛᴜᴅᴇs ⭐
Ꮮongitudes represent the east-west location of a place on the surface of the earth. It can be defined as the angular distance of a place. The distance between two consecutive longitudes does not remain same as the longitudes are not parallel. They meet at the poles, hence the distance between them decreased towards the poles from the equator.
The distance of 111 km for 1° longitude is maintained only at the Equator and it gradually decreases towards the poles.
As it passes through the Greenwich, it serves as the basics of worlds standard time, also known as Greenwich mean time.
All the longitudes intersect the equator and other latitudes. The intersecting points of these latitudes and longitudes give us the correct location of a place— north south of the equator, east west of the prime meridian.