Jack and Jill (nursery rhyme) and brown paper were a home cure used as a method to draw out bruises on the body. Jack is the most common name used in English-language nursery rhymes and represented an archetypal Everyman hero by the 18th century, while Jill or Gill had come to mean a young girl or a sweetheart by the end of the Middle Ages. However, the woodcut that accompanied the first recorded version of the rhyme showed two boys (not a boy and a girl) and used the spelling Gill not Jill. The true origin of the rhyme is unknown, but there are several
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