PURPORT

In this regard, Madhvacarya quotes the following verses from the Brahmanda Purana:

yatha bhagavate tuktam
bhauvanam kosa-laksanam
tasyavirodhato yojyam
anya-granthantare sthitam

mandode puranam caiva
vyatyasam ksira-sagare
rahu-soma-ravinam ca
mandalad dvi-gunoktitam
vinaiva sarvam unneyam
yojanabhedato 'tra tu

It appears from these verses that aside from the sun and moon, there is an invisible planet called Rahu. The movements of Rahu cause both solar and lunar eclipses. We suggest that the modern expeditions attempting to reach the moon are mistakenly going to Rahu.