I have always since given Professor Drown credit for teaching mepractical astronomy by first leading me to the discovery that I had a natural taste and aptitude for such work, theretofore unsuspected.
In that brief experience I became for the first time intensely interested in practical astronomy, about which I had thought little before, although I had had sole charge of the observatory for some time.
I went over those subjects with him in about one hundred lessons, including a few in practical astronomy.
Within the last fifteen years photography has commenced to play an important part in practical astronomy.
At present, however, such an enquiry can hardly come within the range of practical astronomy.
We are not here concerned with technicalities of practical astronomy.
This first and oldest branch is known as "observational," or "practical astronomy.
What Sir John Herschel calls the "archæology of practical astronomy" found in him an especially zealous student.
In 1832 Professor Airy, afterwards Astronomer Royal of England, made a report to the British Association on the condition of practical astronomyin various countries.
Under these circumstances it will not surprise you to learn that our tables of the celestial motions do not, in general, correspond in accuracy to the present state of practical astronomy.
This difference is called the parallax of the stars; and the problem of measuring it is one of the most delicate and difficult in the whole field of practical astronomy.
The fundamental problem of practical astronomy is that of determining by measurement the co-ordinates of the heavenly bodies as already defined.
Practical Astronomy, taken in its widest sense, treats of the instruments by which our knowledge of the heavenly bodies is acquired, the principles underlying their use, and the methods by which these principles are practically applied.
Practical Astronomy, which comprises a description of the instruments used in astronomical observation, and of the principles and methods underlying their application.
The field of practical astronomy includes an extension which may be regarded as making astronomical science in a certain sense universal.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "practical astronomy" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
