The "Pokey" Parts of the Moon

Why It Matters

These observations improve lunar geological mapping and aid mission planners in selecting safe, scientifically valuable landing zones.

Key Takeaways

• Moon region's average albedo is around 0.3, darker than surroundings
• Dark wedge exhibits distinct texture resembling frozen rippling pond
• Central Herzbrung area appears smooth, like a paved road
• Textural contrast likened to Icelandic highlands and cooled lava
• Observations suggest varied geological processes across lunar surface

Summary

The video offers a vivid, on‑the‑ground description of a specific lunar region, focusing on its unusually low albedo and the “pokey” texture that distinguishes it from surrounding terrain.

Measurements indicate the area’s average albedo hovers around 0.3, notably darker than adjacent zones. A pronounced dark wedge, centered near 67° longitude, displays a rippling, frozen‑pond appearance that behaves like choppy water when wind blows, then solidifies instantly. In contrast, the central Herzbrung sector is remarkably smooth, resembling a paved road.

The narrator likens the jagged, lava‑like surface to Iceland’s highlands, saying it “looks like cooled lava, hard on your feet.” This vivid analogy, paired with the “paved road” comparison, underscores the stark textural diversity within a compact lunar locale.

Understanding these albedo and textural variations refines models of lunar surface evolution, informs hazard assessments for future landers, and highlights potential sites for scientific sampling of diverse regolith types.

Original Description

The Artemis crew have begun their lunar flyby around the far side of the moon. Over a five-hour period, they will be taking photographs and making live observations of the moon’s color, texture, and “albedo” (brightness and darkness), as well as structures such as the massive Orientale Basin.

Credit: NASA

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