These steps measure the heavens.

But his real worship came much later.
The religion of the Vedas was of odes and hymns, a religion of worship by simple adoration.

Sometimes there were prayers for temporal blessings, sometimes simple sacrifices and libations.

Human sacrifices have scarcely left any trace of themselves if they ever existed, unless it be in a typical ceremony reported in one of the Vedas.
Sec.5.Second Period.

Laws of Manu.