Horizon view

Horizon from Mersenius M

21.3373° S, 48.5562° W · cell 17KEV

Highest horizon point
An unnamed point: 8.9° above the horizontal, 18.9 km away at azimuth 74°.
Farthest visible point
30.3 km away at azimuth 353°, 4.8° from the horizontal.
Observer
Eye 2 m above the ground, which is 2,359 m below the 1,737.4 km reference sphere.
Sun at the rendered time
The Sun is 2.0° above the smooth horizon at azimuth 91° but behind terrain: the skyline there rises to 8.4°. At 2026-10-22 13:31:02 UTC, when this page was served.
Resolution
Terrain resolution: about 1.9 km, the global LOLA terrain tier of 16 pixels per degree; relief smaller than that, near or far, is smoothed, and the model does not include boulders or other surface hazards.
N30°60°E120°150°S210°240°W300°330°farthest visible, 30.3 km18.9 km, +3,074 mMersenius, 2.84 kmSun 2.0°
Vertical scale exaggerated 3x (horizontal 4 px per degree). Eye 2 m above the ground.Scroll sideways to turn; the middle faces 74°.

The Sun is 2.0° above the smooth horizon at azimuth 91° but behind terrain: the skyline there rises to 8.4°. At 2026-10-22 13:31:02 UTC.

Terrain resolution: about 1.9 km, the global LOLA terrain tier of 16 pixels per degree; relief smaller than that, near or far, is smoothed, and the model does not include boulders or other surface hazards. How the horizon is computed

Peaks on the skyline

A ray every 0.5 degrees out to 200 km across the NASA LRO LOLA terrain, the curvature of the Moon included; each peak is named only when an IAU feature's mapped footprint lies over the point that forms it. Smooth terrain between samples, no boulders.

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