पृष्ठम्:महाभास्करीयम्.djvu/२४१

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156 The following is the rationale of the above formulae: From stanza 5, we have Sun's true diameter = But R Sun's true distance Therefore, Sun's true diameter Sun's diameter in yojanasXR minutes. Sun's true distance in yojanas ECLIPSES in yojanas Sun's true daily motion in minutes Sun's mean daily motion in yojanas (Sun's diameter in yojanas)×(Sun's true daily motion in minutes) Sun's mean daily motion in yojanas minutes. travels through Now, according to Bhaskara I, a planet 1,24,74,72,05,76,000 yojanas in 1,57,79,17,500 mean civil days, therefore the mean daily motion of a planet comes out to be 7905-8 yojanas. Hence, 4410 (Sun's true daily motion in minutes) Sun's true diameter = 7905.8 + minutes. 5 (Sun's true daily motion in minutes), minutes 9 161 (Sun's true daily motion in minutes) > 60 7905.8 + Similarly, Moon's true diameter seconds. 5 (Sun's true daily motion in minutes) minutes. 9 5 (Sun's true daily motion in minutes), seconds. 36 - 315 (Moon's true daily motion in minutes) 7905-8 minutes. Moon's true daily motion in minutes 25 minutes. 308 (Moon's true daily motion in minutes) x 60 7905-8X25 Moon's true daily motion in minutes 25 Moon's true daily motion in minutes 100 seconds. minutes seconds.