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  2. Meteorite - Wikipedia

    en.wikipedia.org/wiki/Meteorite

    The 60-tonne, 2.7 m-long (8.9 ft) Hoba meteorite in Namibia is the largest known intact meteorite.[1]A meteorite is a rock that originated in outer space and has fallen to the surface of a planet or moon.

  3. Discovery (observation) - Wikipedia

    en.wikipedia.org/wiki/Discovery_(observation)

    Discovery is the act of detecting something new, or something previously unrecognized as meaningful, "portal". In sciences and academic disciplines, discovery is the observation of new phenomena, new actions, or new events and involves providing new reasoning to explain the knowledge gathered through such observations, using knowledge previously acquired through abstract thought and from ...

  4. V-1 and V-2 intelligence - Wikipedia

    en.wikipedia.org/wiki/V-1_and_V-2_intelligence

    Intelligence reports on the V-1 and V-2. After V-2 flight testing began at the Blizna V-2 missile launch site (the first launch from there was on November 5, 1943), the AK had a unique opportunity to gather more information and to intercept parts of test rockets (most of which did not explode).

  5. Microsat-R - Wikipedia

    en.wikipedia.org/wiki/Microsat-R

    Microsat-R served as target for Indian ASAT experiment on March 27, 2019. [9] [10] [11] The impact generated more than 400 pieces of orbital debris with 24 having apogee higher than ISS orbit.

  6. Observation - Wikipedia

    en.wikipedia.org/wiki/Observation

    Observation in the natural sciences [1] is an act or instance of noticing or perceiving [2] and the acquisition of information from a primary source. In living beings, observation employs the senses .

  7. Chain Home - Wikipedia

    en.wikipedia.org/wiki/Chain_Home

    The fruit machine greatly simplified measurement and calculation, driving the plotter directly Operating a CH station was a manpower-intensive situation, with an operator in the transmitter hut, an operator and assistant in the receiver hut, and as many as six assistants in the receiver hut operating the plotters, calculators and telephone systems.

  8. Scientific method - Wikipedia

    en.wikipedia.org/wiki/Scientific_method

    The history of scientific method considers changes in the methodology of scientific inquiry, not the history of science itself. The development of rules for scientific reasoning has not been straightforward; scientific method has been the subject of intense and recurring debate throughout the history of science, and eminent natural philosophers and scientists have argued for the primacy of ...

  9. V-2 rocket - Wikipedia

    en.wikipedia.org/wiki/V-2_rocket

    The V2 (German: Vergeltungswaffe 2, lit. 'Vengeance Weapon 2'), with the technical name Aggregat 4 (A4), was the world's first long-range [4] guided ballistic missile.The missile, powered by a liquid-propellant rocket engine, was developed during the Second World War in Nazi Germany as a "vengeance weapon" and assigned to attack Allied cities as retaliation for the Allied bombings of German ...