Oberon (programming language) Wirth's way of inheritance reflecting the viewpoint of the parent site. Oberon was developed as part of the implementation of the Oberon operating system at ETH Zurich in Switzerland. The name is from the moon of Uranus, Oberon. Oberon is still maintained by Wirth and the latest revision is dated August 4, 2018. Oberon is designed with a motto attributed to Albert Einstein in mind: “Make things as simple as possible, but not simpler.” The principal guideline was to concentrate on features that are basic and essential and to omit ephemeral issues. Another factor was recognition of the growth of
Moon eclipses of the Sun by the Moon, and of the Moon by Earth, is described by the saros, which has a period of approximately 18 years. Because the Moon is continuously blocking our view of a half-degree-wide circular area of the sky, the related phenomenon of occultation occurs when a bright star or planet passes behind the Moon and is occulted: hidden from view. In this way, a solar eclipse is an occultation of the Sun. Because the Moon is comparatively close to Earth, occultations of individual stars are not visible everywhere on the planet, nor at the same time.