The young gentleman's astronomy, chronology, and dialling, containing such elements of the said arts or sciences, as are most useful and easy to be known / [Edward Wells].

  • Wells, Edward, 1667-1727.
Date:
1725
Catalogue details

Licence: Public Domain Mark

Credit: The young gentleman's astronomy, chronology, and dialling, containing such elements of the said arts or sciences, as are most useful and easy to be known / [Edward Wells]. Source: Wellcome Collection.

    46/370 (page 26)
    ( 1«) CHAP. III. Of the Phenomena (commonly afcrihed to the feeming Annual Motion of the Sun, hut rather) depending on the real Annual Motion of the Earth. i. The pro¬ per Phe¬ nomena of the Sun, why fir ft explained. 2. The feem- ing Proper or Annual Motion of the Sun U can fed by the real Annual Motion of the Earth. Eing to explain in the next Place the 'Phenomena frofer to the fe- veral Celeftial Lights, I begin with the proper Phenomena of the Sun ; forafmuch as the Sun is the principal Light of that Syftem of the World, wherein we are placed. Now thefe Phenomena of the Suny which are vulgarly afcribed to the feeming Annual Motion of the Sun, may be folved by the Annual Motion of the Earth. In order whereunto it is fir ft to be fhewn, that the c-Annual Motion of the Earth will caufe the Sun to appear to us, as it it had fuch an Annual Motion, though it really has no fuch Motion. And this is il~ luftrated Fig. 5, where the Sun is in the