Astronomy, in Five Books, Volume 2

Aftron aftronomy alfo alſo amongſt ancient angle apogee apparent diameter appears atmoſphere attraction axis becauſe befides bodies Caffini caufes cauſe centripetal force CHAP Chineſe Chrift circle comet confequently confiderable degrees deſcribed diſcovered diſcovery diſk diſtance diurnal motion earth eclipfe ellipfis epacts equator faid fame fatellit faturn fays feconds feen femidiameter fhadow fhew fide firft firſt fituation fixed ſtars folar fome fometimes ftars fubject fuch fun and moon fun's fuppofed fyzygy globe greateſt himſelf Hipparchus hiſtory horizon increaſed inftruments jupiter laſt leaſt lefs leſs lunar meaſured meridian moon moon's moſt muſt neareſt nodes obfervations oppofition orbit paffing parallax penumbra planets preſent Ptolemy publiſhed purpoſe reaſon refraction Regiomontanus repreſent rifing ring round ſame ſcience ſeems ſeen ſet ſeveral ſhe ſhould ſmall ſome ſphere ſpots ſtars ſtate ſuch ſuppoſed tables teleſcope thereof theſe thofe thoſe Tycho Tycho Brahe uſe venus viſible wherein