What are nun buoys characterized by?

Nun buoys are characterized by being cone-shaped and marked with green colors, which indicates that they are navigational aids used in maritime navigation to indicate the right side of a channel when approaching from the open sea or heading upstream. The shape and color are essential for boaters to identify the buoys easily and understand their purpose.

In particular, nun buoys are meant to mark the starboard side of a channel, and they typically feature numbers that are even. Their distinct appearance helps boaters navigate safe waters and avoid hazards. The color and shape are standardized so that navigators can quickly recognize these buoys, ensuring safe passage through channels. Therefore, the statement about their characteristics accurately reflects their purpose in aiding navigation.