high-ridged

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• Ridged mirror — In atomic physics, a ridged mirror (or ridged atomic mirror, or Fresnel diffraction mirror) is a kind of atomic mirror, designed for the specular reflection of neutral particles (atoms) coming at the grazing incidence angle, characterised in the… …   Wikipedia

• POTTERY — appears for the first time in the Neolithic period, around the middle of the sixth millennium B.C.E. For two reasons, it serves as a major tool for the archaeological study of the material culture of ancient man: first because of its extensive… …   Encyclopedia of Judaism

• Flora and fauna of Guantánamo Bay — The flora and fauna of Guantánamo Bay is diverse.Trees and shrubsIn Cuba, of the trees native to Guantánamo Bay, only the Cuban mahogany is of significant size. A number of these trees still stand on the Navy base, although many have been cut for …   Wikipedia

• Gnathorhizidae — Taxobox name = Gnathorhizidae fossil range = Late Carboniferous Middle Triassic regnum = Animalia phylum = Chordata subphylum = Vertebrata classis = Sarcopterygii subclassis = Dipnoi subclassis authority = Müller, 1844 familia = Gnathorhizidae… …   Wikipedia

• lumpsucker — /ˈlʌmpsʌkə/ (say lumpsukuh) noun (plural lumpsucker or lumpsuckers) a clumsy looking fish, Cyclopterus lumpus, with a high, ridged back, of the North Atlantic Ocean. Also, lumpfish. Usage: For variation in the plural inflection, see note at fish1 …  

• lump|fish — «LUHMP FIHSH», noun, plural fish|es or (collectively) fish. a clumsy, spiny finned fish of the northern Atlantic, with a high, ridged back and a sucker on the belly formed by the ventral fins; lumpsucker …   Useful english dictionary

• Geology of Mars — Mars   Mars as seen by the Hubble Space Telescope Designations …   Wikipedia

• Noachian — MOLA colorized relief map of Noachis Terra, the type area for the Noachian System. Note the superficial resemblance to the lunar highlands. Colors indicate elevation, with red highest and blue violet lowest. The blue feature at bottom right is… …   Wikipedia

• Volcanism on Mars — Mariner 9 image of Olympus Mons[1]. This is one of the first images to show that Mars has large volcanoes. Volcanic activity, or volcanism, has played a significant role in the geologic evolution of Mars.[ …   Wikipedia

• Quantum reflection — is a physical phenomenon involving the reflection of a matter wave from an attractive potential. In classical physics, such a phenomenon is not possible; for instance when one magnet is pulled toward another, you do not expect one of the magnets… …   Wikipedia