Related Questions

The most convenient co-ordinate system for specifying the relative positions of heavenly bodies on the celestial sphere, is
A Altitude and azimuth system
B Declination and hour angle system
C Declination and right ascension system
D Declination and altitude system
The point on the celestial sphere vertically below the observer's position, is called
A Zenith
B Celestial point
C Nadir
D Pole
The hour angle of the heavenly body for Greenwich meridian equals the hour angle of the body for any other meridian + longitude:
A Mean sun
B True sun
C Vernal equinox
D All the above
The altitude of a heavenly body is its angular distance, measured on the vertical circle passing through the body, above
A Equator
B Horizon
C Pole
D None of these
If θ and δ be the latitude of an observer and declination of a heavenly body respectively, the upper culmination of the body will be south of zenith if its zenith distance, is
A δ - θ
B θ - δ
C θ + δ
D $$\frac{1}{2}$$ (θ - δ)
Heavenly body- এর বাংলা পরিভাষা কোনটি?
A স্বর্গীয় দেহ
B জ্যোতিষ্ক
C প্রেরিত দূত
D ভারী দেহ
A heavenly body which takes nearly the same time to complete one rotation and one revolution is
A an asteroid
B a comet
C moon
D mars
The angle between the observer's meridian and declination circle of a heavenly body, is known as
A Hour angle
B Azimuth
C Right ascension
D Declination
Right ascension of a heavenly body is its equatorial angular distance measured
A Westward from the first point of Libra
B Eastward from the first point of Aeries
C Westward from the first point of Aeries
D Eastward from the first point of Libra
The angular distance of a heavenly body from the equator, measured along its meridian, is called
A Declination
B Altitude
C Zenith distance
D Co-latitude

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