Definition of meridian circle in English:

meridian circle

noun

Astronomy

A telescope mounted so as to move only on a North–South line, for observing the transit of celestial objects across the meridian.
〔天文〕子午环
Example sentencesExamples
- Thus, with allowance for possible systematic errors in both the meridian circle and Mercury transit timing observations, a negative secular trend of solar radius is still supported.
- The tropics of cancer and Capricorn are meridian circles at altitudes 23 + degrees above or below the equator.
- The outline of these stencils is repeated for each parallel circle, since, by being concentric, the modulation of the meridian circles is variable.
- Ertel also designed meridian circles for the observatories of Christiania, Glasgow and Warsaw.
- In 1836 Giovanni Santini had a small octagonal pavilion built on the terrace above the Meridian Room, in which a meridian circle, a very precise instrument to measure stellar positions, was installed.
- In modern transits, known as meridian circles or meridian telescopes, the observer merely presses a button as the star crosses each line.
- It has two meridian circles, which intersect at right angles and which can be moved about a common axis, likewise a horizon circle which is movable.
- Hour circles on the celestial sphere compare with the meridian circles or meridians of longitude of the earth.
- Longitude is seen to be a measure of the angle between the planes of two meridian circles, one of which is the prime meridian.
- For ease of reference, a calibrated brass meridian circles the globe, which features a fully detailed political map, more than 4000 place names, and mountain ranges in raised relief.
- From there, the exact time, determined via meridian circles at the observatory, is distributed throughout Bavaria.
- So well, new instruments are ordered and installed in NOA, a 16 cm meridian circle and a 40 cm refractor.
- I found my first meridian circle outside a house in Crownfield Road.
- Later the global meridian circle would be completed with monitoring stations along 60 degrees west longitude built by the US and Canada.
- The red circles in this picture are the Apollonian meridian circles.
- A meridian circle consists of a telescope attached to a large graduated circle.
- The use of new micrometers resulted in an increase in the efficiency and accuracy of observations with meridian circles, and considerably fainter magnitudes of stars detected.
- It is different from a traditional meridian circle in that it adopts a rotatable mirror to replace the telescope mount for pointing the instrument, thereby any error caused by tube flexure is avoided.
- During the period of eternal day the sun will be seen on the meridian circle above the horizon twice each day.
- The sphera solida or ‘solid sphere’ is ‘essentially a globe, on which the stars and principal celestial circles are depicted, and a frame of horizon and meridian circles.’

Definition of meridian circle in US English:

meridian circle

nounməˈridēən ˈsərkəl

Astronomy

A telescope mounted so as to move only on a North–South line, for observing the transit of celestial objects across the meridian.
〔天文〕子午环
Example sentencesExamples
- I found my first meridian circle outside a house in Crownfield Road.
- For ease of reference, a calibrated brass meridian circles the globe, which features a fully detailed political map, more than 4000 place names, and mountain ranges in raised relief.
- Thus, with allowance for possible systematic errors in both the meridian circle and Mercury transit timing observations, a negative secular trend of solar radius is still supported.
- From there, the exact time, determined via meridian circles at the observatory, is distributed throughout Bavaria.
- So well, new instruments are ordered and installed in NOA, a 16 cm meridian circle and a 40 cm refractor.
- Longitude is seen to be a measure of the angle between the planes of two meridian circles, one of which is the prime meridian.
- The sphera solida or ‘solid sphere’ is ‘essentially a globe, on which the stars and principal celestial circles are depicted, and a frame of horizon and meridian circles.’
- The use of new micrometers resulted in an increase in the efficiency and accuracy of observations with meridian circles, and considerably fainter magnitudes of stars detected.
- The outline of these stencils is repeated for each parallel circle, since, by being concentric, the modulation of the meridian circles is variable.
- A meridian circle consists of a telescope attached to a large graduated circle.
- It is different from a traditional meridian circle in that it adopts a rotatable mirror to replace the telescope mount for pointing the instrument, thereby any error caused by tube flexure is avoided.
- Ertel also designed meridian circles for the observatories of Christiania, Glasgow and Warsaw.
- The red circles in this picture are the Apollonian meridian circles.
- During the period of eternal day the sun will be seen on the meridian circle above the horizon twice each day.
- In modern transits, known as meridian circles or meridian telescopes, the observer merely presses a button as the star crosses each line.
- Later the global meridian circle would be completed with monitoring stations along 60 degrees west longitude built by the US and Canada.
- It has two meridian circles, which intersect at right angles and which can be moved about a common axis, likewise a horizon circle which is movable.
- In 1836 Giovanni Santini had a small octagonal pavilion built on the terrace above the Meridian Room, in which a meridian circle, a very precise instrument to measure stellar positions, was installed.
- Hour circles on the celestial sphere compare with the meridian circles or meridians of longitude of the earth.
- The tropics of cancer and Capricorn are meridian circles at altitudes 23 + degrees above or below the equator.

单词	meridian circle
释义	Definition of meridian circle in English: meridian circle noun Astronomy A telescope mounted so as to move only on a North–South line, for observing the transit of celestial objects across the meridian. 〔天文〕子午环 Example sentencesExamples Thus, with allowance for possible systematic errors in both the meridian circle and Mercury transit timing observations, a negative secular trend of solar radius is still supported. The tropics of cancer and Capricorn are meridian circles at altitudes 23 + degrees above or below the equator. The outline of these stencils is repeated for each parallel circle, since, by being concentric, the modulation of the meridian circles is variable. Ertel also designed meridian circles for the observatories of Christiania, Glasgow and Warsaw. In 1836 Giovanni Santini had a small octagonal pavilion built on the terrace above the Meridian Room, in which a meridian circle, a very precise instrument to measure stellar positions, was installed. In modern transits, known as meridian circles or meridian telescopes, the observer merely presses a button as the star crosses each line. It has two meridian circles, which intersect at right angles and which can be moved about a common axis, likewise a horizon circle which is movable. Hour circles on the celestial sphere compare with the meridian circles or meridians of longitude of the earth. Longitude is seen to be a measure of the angle between the planes of two meridian circles, one of which is the prime meridian. For ease of reference, a calibrated brass meridian circles the globe, which features a fully detailed political map, more than 4000 place names, and mountain ranges in raised relief. From there, the exact time, determined via meridian circles at the observatory, is distributed throughout Bavaria. So well, new instruments are ordered and installed in NOA, a 16 cm meridian circle and a 40 cm refractor. I found my first meridian circle outside a house in Crownfield Road. Later the global meridian circle would be completed with monitoring stations along 60 degrees west longitude built by the US and Canada. The red circles in this picture are the Apollonian meridian circles. A meridian circle consists of a telescope attached to a large graduated circle. The use of new micrometers resulted in an increase in the efficiency and accuracy of observations with meridian circles, and considerably fainter magnitudes of stars detected. It is different from a traditional meridian circle in that it adopts a rotatable mirror to replace the telescope mount for pointing the instrument, thereby any error caused by tube flexure is avoided. During the period of eternal day the sun will be seen on the meridian circle above the horizon twice each day. The sphera solida or ‘solid sphere’ is ‘essentially a globe, on which the stars and principal celestial circles are depicted, and a frame of horizon and meridian circles.’ Definition of meridian circle in US English: meridian circle nounməˈridēən ˈsərkəl Astronomy A telescope mounted so as to move only on a North–South line, for observing the transit of celestial objects across the meridian. 〔天文〕子午环 Example sentencesExamples I found my first meridian circle outside a house in Crownfield Road. For ease of reference, a calibrated brass meridian circles the globe, which features a fully detailed political map, more than 4000 place names, and mountain ranges in raised relief. Thus, with allowance for possible systematic errors in both the meridian circle and Mercury transit timing observations, a negative secular trend of solar radius is still supported. From there, the exact time, determined via meridian circles at the observatory, is distributed throughout Bavaria. So well, new instruments are ordered and installed in NOA, a 16 cm meridian circle and a 40 cm refractor. Longitude is seen to be a measure of the angle between the planes of two meridian circles, one of which is the prime meridian. The sphera solida or ‘solid sphere’ is ‘essentially a globe, on which the stars and principal celestial circles are depicted, and a frame of horizon and meridian circles.’ The use of new micrometers resulted in an increase in the efficiency and accuracy of observations with meridian circles, and considerably fainter magnitudes of stars detected. The outline of these stencils is repeated for each parallel circle, since, by being concentric, the modulation of the meridian circles is variable. A meridian circle consists of a telescope attached to a large graduated circle. It is different from a traditional meridian circle in that it adopts a rotatable mirror to replace the telescope mount for pointing the instrument, thereby any error caused by tube flexure is avoided. Ertel also designed meridian circles for the observatories of Christiania, Glasgow and Warsaw. The red circles in this picture are the Apollonian meridian circles. During the period of eternal day the sun will be seen on the meridian circle above the horizon twice each day. In modern transits, known as meridian circles or meridian telescopes, the observer merely presses a button as the star crosses each line. Later the global meridian circle would be completed with monitoring stations along 60 degrees west longitude built by the US and Canada. It has two meridian circles, which intersect at right angles and which can be moved about a common axis, likewise a horizon circle which is movable. In 1836 Giovanni Santini had a small octagonal pavilion built on the terrace above the Meridian Room, in which a meridian circle, a very precise instrument to measure stellar positions, was installed. Hour circles on the celestial sphere compare with the meridian circles or meridians of longitude of the earth. The tropics of cancer and Capricorn are meridian circles at altitudes 23 + degrees above or below the equator.
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