wrinkle ridge


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wrinkle ridge

[′riŋ·kəl ‚rij]
(astronomy)
A prominent, well-defined, often sinuous ridge on a lunar mare, with gently sloping sides and a height of generally less than 500 feet (150 meters).
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Finally, the Crisium wrinkle ridge may be what Orientale's inner ring would look like if that basin's entire floor were covered by lava.
This information, taken with the telltale smooth floor and wrinkle ridge, shows that Wargentin was indeed flooded by lava.
The Lunar 100 L Feature name Significance 33 Serpentine Ridge Wrinkle ridge 54 Hippalus Rilles Rilles concentric to Humorum basin See Sky & Telescope: April 2004, page 113, or point your Web browser to SkyTonight.com/lunar100.
One of the most famous is Lambert R (L78), a 55-km-wide circular wrinkle ridge immediately south of Lambert in Mare Imbrium.
Although it means Seething Bay, Aestuum is serene real estate except for a braidlike wrinkle ridge that extends from southwest to northeast.
A low forked ridge (like a bird's foot, according to Elger) extends along the elevated floor much like a wrinkle ridge on mare surfaces.
Nectaris Basin Rings Ring name Diameter[*] Wrinkle Ridge 240 km Pyrenees Mountains 400 km Santbech/Cyrillus 620 km Altai Scarp 860 km (Invisible) 1,320 km [*] Diameters from The Geology of Multi-Ring Impact Basins: The Moon and Other Planets by Paul D.
Taken by NASA's Lunar Reconnaissance Orbiter Camera (LROC), the images reveal "wrinkle ridges"--curved hills and shallow trenches created by a lunar surface that is contracting as the moon loses heat and shrinks.
(These GRAIL data are also available on QuickMap and can be overlain over imagery that highlights the wrinkle ridges, as seen on the bottom of the facing page.)
After first quarter the terminator crawls across vast Mare Imbrium, where you can spot not only wrinkle ridges and small craters but lava-filled Plato (photo on previous page) and isolated peaks such as Pico and Piton.
To help gauge how the planet may have shrunk, the researchers looked at tectonic features, called lobate scarps and wrinkle ridges, which result from interior cooling and surface compression.
The western half of Ancient Thebit is missing, but low-angle lighting reveals curved wrinkle ridges that continue the arc of the missing rim.