पृष्ठम्:सिद्दान्तदर्पणम्.djvu/६२

36 The present is the Kal age in the twenty-eighth Segments of a revolution (Bhaganathsa) 13 a.b. The revolution of a planet can be divided into 12 (segments called sigms, their) 30th (parts called degrees and the) 60th parts (of a degree called minutes) Diameters of the Earth, M001, and Sun Linear wel0city of planets in yojana-s 13 ०.d. The Moon's daily motion in minutes multiplied by ten will give the daily linear velocity of the planets (in yojana-s) (which is the same for all planets including the Sun and the Moon) (being 7906 14. The terrestrial sphere is 1050 yojund-s in diameter and it stands in the sky, in the centre of the celestial sphere, ‘as the lowest point P0sition of the city of Awantl yuga The Moon is 315yojana-s (in diameter) and the Sun 410 yojard-७. The orbit of the stars (Nalksatra-paridhi) of the 15 a-b. The city of Avanti (Ujjain) lies (directly) north of Laika (which is on the equator) by one fifteenth part of the circum ference of the Earth. 15 c-l. (The Prarvalha wind) is driving the stars in direction (on an orbit equal to) sixty times that of the Sun The p0sition of the ecliptic (Apalkrama- tta) a westerly 16. And thereby the two halves of the central circle of the celestial globe, (i.e., the ecliptic), move away respectively towards the north and the south.from the central (circle) of the Yay14-golar (wia, the Visunwa7-101ala or celestial equator) by 24 degrees. Precession and processi01 0f the eguin0xes (Ayana-calana) 17. The conjunction (of the equinoxes) moves east and west by 27 degrees on each side. This increase and decrease (i.e ., moving east