Rigveda 3.6.8
उ॒रौ वा॒ ये अ॒न्तरि॑क्षे॒ मद॑न्ति दि॒वो वा॒ ये रो॑च॒ने सन्ति॑ दे॒वाः ।ऊमा॑ वा॒ ये सु॒हवा॑सो॒ यज॑त्रा आयेमि॒रे र॒थ्यो॑ अग्ने॒ अश्वा॑:॥
urau vā ye antarikṣe madanti divo vā ye rocane santi devāḥ |ūmā vā ye suhavāso yajatrā āyemire rathyo agne aśvā: ||
Our plain-language meaning of this verse is waiting for scholar review.