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Why was the altar more important than the temple image for many Greek sacrifices?

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the gods on Olympus — Greek religion The gods on Olympus: Athena, Zeus, Dionysus, Hera, and Aphrodite. Detail of a painting on a Greek cup; in the National Archaeological Museum, Tarquinia, Italy.

In ancient Greek religion, the altar held greater importance for sacrifice than the temple image because the altar served as the primary site of ritual interaction between the human and divine realms.12

While the temple functioned as an oikos (house) for the deity—represented by a cult statue placed within—the actual act of worship and sacrifice took place in the open air, typically at an altar positioned to the east of the temple building. Sacrifice was considered the principal proof of piety, and the altar was the essential location where these gifts were offered to the gods.23

Because the altar was the focal point where the burnt portion of an offering was presented to the deity, it functioned as the active center of religious practice. In contrast, the temple image served primarily as a symbolic presence of the god within their dwelling, rather than the direct recipient of the sacrificial rite itself.32