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The following is a list of Nike missile sites operated by the United States Army. This article lists sites in the United States, most responsible to Army Air Defense Command; however, the Army also deployed Nike missiles to Europe as part of the NATO alliance, with sites being operated by both American and European military forces. U.S. Army Nike sites were also operational in South Korea ...
Io (/ ˈaɪ.oʊ /) is the innermost and second-smallest of the four Galilean moons of Jupiter. Slightly larger than Earth's Moon, Io is the fourth-largest natural satellite in the Solar System, has the highest density and strongest surface gravity of any natural satellite, and the lowest amount of water by atomic ratio of any known astronomical object in the Solar System. With over 400 active ...
Petal Maps is a map service based on TomTom provided by Huawei to devices with the operating system HarmonyOS, Android and iOS. It offers satellite imagery, aerial photography, 3D view surroundings, turn-by-turn navigation, head-up display and route planning for traveling by foot, car, bike, and public transportation.
A Pac-Man related interactive Google Doodle from 2010 will be shown to users searching for "Google Pacman" or "play Pacman". The American technology company Google has added Easter eggs into many of its products and services, such as Google Search, YouTube, and Android since the 2000s. [1][2] Google avoids adding Easter eggs to popular search pages, as they do not want to negatively impact ...
A Sun-synchronous view of the day-side of Earth from the Sun–Earth Lagrange point L1, with Earth rotating and the Moon passing on its orbit in between the observing DSCOVR satellite and Earth, showing the Moon's far side when it is illuminated and the Moon's day-side The Moon's orbit is slightly elliptical, with an orbital eccentricity of 0.055.
The Magsat satellite and later satellites have used 3-axis vector magnetometers to probe the 3-D structure of the Earth's magnetic field. The later Ørsted satellite allowed a comparison indicating a dynamic geodynamo in action that appears to be giving rise to an alternate pole under the Atlantic Ocean west of South Africa.
The program overlays NASA and USGS satellite imagery, aerial photography, topographic maps, Keyhole Markup Language (KML) and Collada files. Though widely available since 2003, WorldWind was released with the NASA Open Source Agreement license in 2004.
Modern methods of transportation, the use of surveillance aircraft, and more recently the availability of satellite imagery have made documentation of many areas possible that were previously inaccessible. Free online services such as Google Earth have made accurate maps of the world more accessible than ever before.