Related Questions

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)
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
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
Heavenly body- এর বাংলা পরিভাষা কোনটি?
A স্বর্গীয় দেহ
B জ্যোতিষ্ক
C প্রেরিত দূত
D ভারী দেহ
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
The position of a heavenly body on the celestial sphere can be completely specified by
A Its altitude and azimuth
B Its declination and hour angle
C Its declination and right ascension
D All the above
A can complete a task alone in 8 days, while B takes 12 days to do it by herself. Together with C it takes them 4 days to complete the work. If C and D together can complete the task in 15 days, then how many days will D need to complete the task by herself?
A 36
B 32
C 40
D 30
Which one of the following planets takes the same number of days for rotation and revolution?
A Mars
B Venus
C Mercury
D Jupiter

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