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  1. Ludwigsburg Palace is a 452-room complex of 18 buildings in Ludwigsburg, Baden-Württemberg, Germany. It is the largest palatial estate in the country and has been called the " Versailles of Swabia ". Eberhard Louis, Duke of Württemberg, began construction of the palace in 1704. Charles Eugene, the son of his successor, completed it and ...

  2. Coordinated Universal Time ( UTC) is the primary time standard globally used to regulate clocks and time. It establishes a reference for the current time, forming the basis for civil time and time zones. UTC facilitates international communication, navigation, scientific research, and commerce. UTC has been widely embraced by most countries and ...

  3. The High-frequency Active Auroral Research Program ( HAARP) is a University of Alaska Fairbanks program which researches the ionosphere – the highest, ionized part of Earth's atmosphere . The most prominent instrument at HAARP is the Ionospheric Research Instrument (IRI), a high-power radio frequency transmitter facility operating in the high ...

  4. en.wikipedia.org › wiki › Lockheed_U-2Lockheed U-2 - Wikipedia

    1955–1989. Number built. 104. The Lockheed U-2, nicknamed " Dragon Lady ", is an American single- engine, high altitude reconnaissance aircraft operated from the 1950s by the United States Air Force (USAF) and the Central Intelligence Agency (CIA). It provides day and night, high-altitude (70,000 feet, 21,300 meters), all-weather intelligence ...

  5. List of missions to the Moon. A replica of Luna 9, the first spacecraft to land on the Moon. The first image taken of the far side of the Moon, returned by Luna 3. As part of human exploration of the Moon, numerous space missions have been undertaken to study Earth's natural satellite. Of the Moon landings, Luna 2 of the Soviet Union was the ...

  6. en.wikipedia.org › wiki › Apollo_11Apollo 11 - Wikipedia

    Apollo 11 (July 16–24, 1969) was the American spaceflight that first landed humans on the Moon. Commander Neil Armstrong and Lunar Module Pilot Buzz Aldrin landed the Apollo Lunar Module Eagle on July 20, 1969, at 20:17 UTC, and Armstrong became the first person to step onto the Moon's surface six hours and 39 minutes later, on July 21 at 02: ...

  7. On 7 October 2023, Hamas and several other Palestinian militant groups launched coordinated armed incursions from the Gaza Strip into the Gaza envelope of southern Israel, the first invasion of Israeli territory since the 1948 Arab–Israeli War. Hamas and other Palestinian armed groups named the attacks Operation Al-Aqsa Flood (or Deluge ...