The Romans largely adopted the Greek names for the planets, although they sometimes gave them their own interpretations. Here's a breakdown:

* Mercury: Both Greeks and Romans called it Hermes/Mercury, the messenger god.

* Venus: Both called it Aphrodite/Venus, the goddess of love and beauty.

* Mars: Both called it Ares/Mars, the god of war.

* Jupiter: Both called it Zeus/Jupiter, the king of the gods.

* Saturn: Both called it Cronus/Saturn, the god of time and agriculture.

While the Greeks called the outermost planet "Phainon" (shining one), the Romans named it Saturn, after the god of agriculture, as it was associated with the harvest season.

Interestingly, Uranus and Neptune weren't discovered until much later (1781 and 1846, respectively), so they didn't have classical Roman names. They were named after the Greek gods Uranus (sky) and Neptune (sea).