Historical Vedic religion the Vedic period, composed in Vedic Sanskrit, are mainly the four Vedic Samhitas, but the Brahmanas, Aranyakas and some of the older Upanishads (Bṛhadāraṇyaka, Chāndogya, Jaiminiya Upanishad Brahmana) are also placed in this period. The Vedas record the liturgy connected with the rituals and sacrifices. These texts are also considered as a part of the scripture of contemporary Hinduism. Specific rituals and sacrifices of the Vedic religion include, among others: The Hindu rites of cremation are seen since the Rigvedic period; while they are attested from early times in the Cemetery H culture, there is a late Rigvedic reference invoking
Ancient Iranian religion was invoked as the god who "best smite(s), who best destroy(s) the thief and the bandit at this trial." Astral deities figured more prominently in ancient Iranian religion than Vedic religion. This may be explained with the influence of Babylonian science on the Iranians, in particular the western groups. In the Avesta stars and constellations such as Ursa Major, the Pleiades, Vega, Fomalhaut and the Milky Way are mentioned. The most important astral deities seem to have been Tiri and Tishtrya. For reasons that are unknown, Tishtrya is associated with the star Sirius in one Yasht that is entirely devoted