374
Śrīmad-Bhāgavatam
[Canto 5, Ch. 24]
bandhaḥ —whose intentions are inimical;  sūryā —the sun;  candramasau —and the moon;  abhidhāvati —runs after them on the full-moon night and the dark-moon day.
TRANSLATION
The sun globe, which is a source of heat, extends for 10,000 yojanas [80,000 miles]. The moon extends for 20,000 yojanas [160,000 miles], and Rāhu extends for 30,000 yojanas [240,000 miles]. Formerly, when nectar was being distributed, Rāhu tried to create dissension between the sun and moon by interposing himself between them. Rāhu is inimical toward both the sun and the moon, and therefore he always tries to cover the sunshine and moonshine on the dark-moon day and full-moon night.
PURPORT
As stated herein, the sun extends for 10,000  yojanas , and the moon extends for twice that, or 20,000  yojanas . The word  dvādaśa  should be understood to mean twice as much as ten, or twenty. In the opinion of Vijayadhvaja, the extent of Rāhu should be twice that of the moon, or 40,000  yojanas . However, to reconcile this apparent contradiction to the text of the  Bhāgavatam , Vijayadhvaja cites the following quotation concerning Rāhu:  rāhu-soma-ravīṇāṁ tu maṇḍalā dvi-guṇoktitām . This means that Rāhu is twice as large as the moon, which is twice as large as the sun. This is the conclusion of the commentator Vijayadhvaja.
TEXT 3
तन्निशम्योभयत्रापि भगवता रक्षणाय प्रयुक्तं सुदर्शनं नाम भागवतं दयितमस्त्वं तत्तेजसा दुर्विषहं मुहुः परिवर्तमानमभ्यवस्थितो मुहूर्तमुद्धिजमानश्चकितहृदय आरादेव निवर्तते तदुपरागमिति वदन्ति लोकाः ॥३॥
tan niśamyobhayatrāpi bhāgavatā rakṣaṇāya prayuktam sudarśanam nāma bhāgavatam dayitam astram tat tejasā durviṣaham muhuḥ parivartamānam abhyavasthito muhūrtam udvijamānaś cakita-hṛdaya ārād eva nivartate tad uparāgam iti vadanti lokāḥ.