Jack and Jill (nursery rhyme) these stanzas were viewed as quatrains with internal rhymes, this would be an example of ballad form, a common form for nursery rhymes. The melody commonly associated with the rhyme was first recorded by the composer and nursery rhyme collector James William Elliott in his "National Nursery Rhymes and Nursery Songs" (1870). The Roud Folk Song Index, which catalogues folk songs and their variations by number, classifies the song as 10266. The phrase "Jack and Jill" was in use in England as early as the 16th century to indicate a boy and a girl. A comedy with the title "Jack
S-type asteroid S-type asteroid S-type asteroids are asteroids with a spectral type that is indicative of a siliceous (i.e. stony) mineralogical composition, hence the name. Approximately 17% of asteroids are of this type, making it the second most common after the carbonaceous C-type. S-types asteroids, with an astronomical albedo of typically 0.20, are moderately bright and consist mainly of iron- and magnesium-silicates. They are dominant in the inner part of the asteroid belt within 2.2 AU, common in the central belt within about 3 AU, but become rare farther out. The largest is 15 Eunomia (about 330 km wide across its longest