Promontorium Agarum

A promontory on the eastern edge of Mare Crisium, extending into the mare from the surrounding highlands.

Visual Description

Promontorium Agarum appeared as a bright cape projecting into the dark surface of Mare Crisium from the eastern shore. This promontory formed part of the highland rim surrounding the oval-shaped Mare Crisium. The feature was composed of bright highland material that contrasted sharply with the dark mare basalt, creating a distinctive landmark along the mare’s eastern edge.

Notable Features

• Eastern cape of Mare Crisium
• Bright highland projection into mare
• Part of Crisium Basin rim
• Sharp contrast with dark mare floor
• Useful landmark for mare identification

Notes

• Located on Mare Crisium’s eastern limb
• Part of ancient impact basin structure
• Best observed 3-5 days after new moon
• Coordinates: 14.0°N, 66.0°E
• Affected by lunar libration due to limb location