degree of tilt
81Compass — This article is about the direction finding instrument used in navigation. For other uses, see Compass (disambiguation). A simple dry magnetic pocket compass …
82Europa (moon) — Europa Europa s trailing hemisphere in approximate natural color. The prominent crater in the lower right is Pwyll and the darker regions are areas where Europa s primarily water ice surface has a higher mineral content. Imaged on September 7,… …
83Celestial pole — The north and south celestial poles and their relation to axis of rotation, plane of orbit and axial tilt …
84Earth's magnetic field — Computer simulation of the Earth s field in a normal period between reversals.[1] The tubes represent magnetic field lines, blue when the field points towards the center and yellow when away. The rotation axis of the Earth is centered and… …
85Inertial navigation system — An Inertial Navigation System (INS) is a navigation aid that uses a computer and motion sensors to continuously track the position, orientation, and velocity (direction and speed of movement) of a vehicle without the need for external references …
86Laserdisc — Not to be confused with disk laser, a flat configuration solid state laser. Not to be confused with VCD, DVD, or Blu ray, optical disc formats employing digital video encoding. Not to be confused with CED, a coincident but incompatible analogue… …
87Hypospadias — DiseasesDB = 29907 MedlinePlus = 001286 eMedicineSubj = ped eMedicineTopic = 1136 MeshID = Hypospadias is a birth defect of the urethra in the male that involves an abnormally placed urinary meatus (opening). Instead of opening at the tip of the… …
88Glossary of nautical terms — This is a glossary of nautical terms; some remain current, many date from the 17th 19th century. See also Wiktionary s nautical terms, Category:Nautical terms, and Nautical metaphors in English. Contents: A B C D E F G H I J K L M N O P Q R …
89Spirit rover timeline for 2005 March — This article describes part of the mission timeline of the NASA Mars Exploration Rover Spirit .Mars Exploration Rover Mission timelines* Spirit rover timeline ** Spirit rover timeline for 2004 April ** timelines for 2004 May to 2005 February… …
90Justin Sobers — Infobox musical artist Name = Justin Sobers imagesize = Background = non performing personnel Birth name = Hollis Justin Sobers Alias = z Born = birth date and age|1981|1|16 Flagicon|USA Belleville, New Jersey Instrument = drums, guitar, piano,… …
