rtzon, or

The Use of the Globes.

Zenith and Nadir ; and thenoctial with the Horizon ; and all th erallels parallel thereto. . j

XVt ^

pis'

supposingSR= (TR = ) 40CCCO ST, then is & o0 ?tance of the Star from the Earth TR =400000X 2 ° o 0 o 0 °8oocooooooSemidiametersof the Earth, or 3 iu re ’

X 4000 = 3200.000000000 0 Miles of EngUfi^ -d t> cHence it appears, that though the Velocity of ^ c0 jd>so very great as at the Rate of 1x42 Feet per , e usor 70COCOO Miles per Annum, yet it would ^ A457143° Years to pass from the nearest Star to ^(sCannon-Ball would take up twice that Time -from us to the Star; (fee Annot. XXV. 4.) 1 o 0 0 °°itself, with the inconceivable Velocity of c 0 tfl'Miles per Minute, takes up more than 6 Years I s1 r e ljfipg from the Star to us. Therefore how ^ rnl ^ r ig^ ,t,great must those Luminaries be, which appear so 3 sS eand of such different Magnitudes, at such 1111Distances ! . gt* 1 ?

16. The different apparent Magnitudes of 1:1

are owing to their different Distances from u ®‘^^we Telescopic E i es, we should see many more-Stars, and more, have been discovered in tb c -p(conimonly called the Seven Stars ;) and all . A fof the Heavens called the Milky Way (or f 0 h'well known to be owing to the Refulgencegious Multitude of Stars disseminated through th°^ ^ \>tof the Universe, though at so great a Dist alice a i* 1invisible to the naked Eye ; yet are they dii cer! !‘^ p(0'great Numbers through a Telescope, and m° reportion as the Instrument is better. , . r ph^''

17. Hence likewise we account for that particu

iiomenon we call a nebulous Star, or cloudy yj e i,v;bright Spots that appear like Stars in an indite oJ df

' ■ to do than

: of thCH>, -jit

for in order to this you have no moreto diiect a good Telescope to any one cyou will be agreeably surprised with a View ’UaU 1 'Multitude of very small Stars, which were the vcf the luminous Spot to the naked Eye, ^