Oberon

1. Oberon, King of the Fairies, is a character in William Shakespeare's play, "A Midsummer Night's Dream".

2. Oberon is the name of the outermost of the major moons of the planet Uranus; discovered 1787 by William Herschel. All of the moons of Uranus are named for characters from Shakespeare or [Alexander Pope]?. Names for the first four discovered moons of Uranus (Oberon, Titania, Ariel, Umbriel) were given by [John Herschel]?, the son of William.

Data for Oberon:

• Diameter: 1550 km
• Surface area: 7,300,000 km²
• Orbital radius: 583,400 km
• Orbital period: 13.46 days
• Rotational period: 13.46 days

Oberon is composed of roughly 50% water ice, 30% silicate? rock, and 20% methane-related carbon/nitrogen compounds. Its ancient cratered surface shows little sign of internal geological activity.

3. Oberon is both a software environment and a programming language, created in 1985 by Niklaus Wirth and [Jürg Gutknecht]?. Although it can be used as an entire operating system/application suite, it can be run as an application itself inside many other environments, including Linux (and a few other Unix systems), Microsoft Windows and Macintosh. See Oberon programming language.