Rille
Rille (German for 'groove') is typically used to describe any of the long, narrow depressions in the lunar surface that resemble channels. The Latin term is rima, plural rimae. Typically a rille can be up to several kilometers wide and hundreds of kilometers in length. However, the term has also been used loosely to describe similar structures on a number of planets in the Solar System, including Mars, Venus, and on a number of moons. All bear a structural resemblance to each other.
Structures
Three types of rille are found on the lunar surface:
Arilla
Arilla is a white Italian wine grape variety that is grown on the island of Ischia in the Tyrrhenian Sea near the Gulf of Naples. However, despite being exclusively found on the island, ampelographers believe that the grape may have actually originated in Sicily.
Today, Arilla is noted for its very high yields of grapes that produces relatively neutral tasting wine that is often blended with other local Italian grape varieties such as Biancolella, Forastera and San Lunardo.
History
Though Arilla has a long history of production on the island of Ischia, near the city of Naples, ampelographers believe that the grape is not actually native to Ischia or Campania but rather originated on the island of Sicily.
Viticulture
Arilla thrives on the volcanic vineyard soils of the south-facing slopes of the island of Ischia. Here the grape is noted for its very prodigious yields, often producing a harvest upwards of 10 kilograms (22 lb) of grapes per vine.
Wine regions
Today, the grape is found almost exclusively on the island of Ischia where it produces relatively neutral wines that are often blended with other local grape varieties including Biancolella, Forastera and San Lunardo.
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