In " Methodus Incrementorum ", Taylor gave the first satisfactory investigation of astronomical refraction.
2.
Many different formulas have been developed for calculating astronomical refraction; they are reasonably consistent, differing among themselves by a few minutes of arc at the horizon and becoming increasingly consistent as they approach the zenith.
3.
"' Astronomical refraction "'deals with the angular position of celestial bodies, their appearance as a point source, and through differential refraction, the shape of extended bodies such as the Sun and Moon.
4.
He also published anonymously an edition of " Euclid's Elements ", which was described as having brought the difficult problems " more within the reach of ordinary understandings . " His later papers in the Philosophical Transactions treat of astronomical refractions, of planetary perturbations, of equilibrium of fluid masses, etc . For his investigations in the first named of these he received a royal medal in 1826 and again in 1839.
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