A star very near the pole may put out a trace of a small circle.
(The celestial equator – which is 90 degrees from the celestial poles – can help with this. He must then find out where and when his meridian crosses with the first point of Aries. Using this device, the astronomer must take care to measure two things: he must measure the time a star crosses his meridian (an invisible, imaginary great circle on a celestial sphere), and he must also measure the angle of his telescope’s tilt for him to see said star.
Meridian definition portable#
These telescopes are not portable as these are the big ones you see on round dome observatories. To track a star or to point toward a part of the sky requires a special instrument – an astronomer’s telescope called the transit circle. Meridian astronomy, in particular, is used to make correct measurements in the sky so that celestial bodies (stars, planets, etc.) can be charted – an astronomical time-keeping system of sorts. Not many people know that they are also used as terms in the field of astronomy. Send us feedback about these examples.Meridian, latitude, longitude, equator – these are words normally used in geography. Together they make up an exhaustive network that connects everything in the body. Collaterals branch out horizontally from the meridians to further connect and network the body. prime meridian noun imaginary line around the Earth running north-south, 0 degrees longitude. Meridians are the pathways that run vertically through the body. navigation noun art and science of determining an object's position, course, and distance traveled. Moon noun Earth's only natural satellite.
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'longitude.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. meridian noun line of longitude, dividing the Earth by north-south. 2022 Along with the photo, be sure to include your coordinates - the longitude and latitude of your location. 2022 Diane has the exact longitude and latitude of where her husband’s coffin entered the ocean.
2023 The map is centered on 168★7'W, the sublunar longitude at mid-eclipse. 2022 Martin County Sheriff's Office's dispatch received the distress signal from the 38-year-old man's cell phone, which gave only the longitude and latitude of the incident.
Meridian definition code#
2023 And though the state now allows voters to identify their domicile with a code from Google that uses latitude and longitude to create a shareable digital address, numerous challenges, starting with Internet access and poor cell service, make this difficult to implement on reservations. 2023 Marking time Navigation requires determining a ship’s location in latitude and longitude. 2023 Another theory uses trigonometry, positing that the symbol is a mathematical equation that, when solved, can reveal the latitude and longitude of their location and function as a map to escape the woods. Smithsonian Magazine, Smithsonian Magazine, 29 Mar. Recent Examples on the Web Straight boundaries west of the Appalachians were defined by the public land survey, using latitude and longitude.
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