vṛttiḥ --- tārāṇāṃ jyotiṣāṃ yo vyūho viśiṣṭaḥ sanniveśastasya candre kṛtasaṃyamasya jñānamutpadyate| sūryaprakāśena hatatejaskatvāttārāṇāṃ sūryasaṃyamāttajjñānaṃ na śakyaṃ bhavitumarhatīti pṛthagupāyo+abhihitaḥ ||27||