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  2. Boeing B-17 Flying Fortress - Wikipedia

    en.wikipedia.org/wiki/Boeing_B-17_Flying_Fortress

    Boeing 307 Stratoliner. The Boeing B-17 Flying Fortress is an American four-engined heavy bomber aircraft developed in the 1930s for the United States Army Air Corps (USAAC). A fast and high-flying bomber, the B-17 was used primarily in the European Theater of Operations and dropped more bombs than any other aircraft during World War II.

  3. Interstellar travel - Wikipedia

    en.wikipedia.org/wiki/Interstellar_travel

    For example, a spaceship could travel to a star 32 light-years away, initially accelerating at a constant 1.03g (i.e. 10.1 m/s 2) for 1.32 years (ship time), then stopping its engines and coasting for the next 17.3 years (ship time) at a constant speed, then decelerating again for 1.32 ship-years, and coming to a stop at the destination. After ...

  4. Spacetime - Wikipedia

    en.wikipedia.org/wiki/Spacetime

    In physics, spacetime, also called the space-time continuum, is a mathematical model that fuses the three dimensions of space and the one dimension of time into a single four-dimensional continuum. Spacetime diagrams are useful in visualizing and understanding relativistic effects, such as how different observers perceive where and when events ...

  5. Boeing X-37 - Wikipedia

    en.wikipedia.org/wiki/Boeing_X-37

    The X-37 Orbital Test Vehicle is a reusable robotic spaceplane. It is an approximately 120-percent-scale derivative of the Boeing X-40, [ 6 ][ 22 ] measuring over 29 feet (8.8 m) in length, and features two angled tail fins. [ 26 ][ 40 ] The X-37 launches atop an Atlas V 501 [ 26 ][ 19 ] or a SpaceX Falcon 9 [ 41 ] or Falcon Heavy [ 42 ] rocket.

  6. List of Boeing B-17 Flying Fortress variants - Wikipedia

    en.wikipedia.org/wiki/List_of_Boeing_B-17_Flying...

    The B-17E (299O) was an extensive redesign of the previous B-17D. The most obvious change was the larger, completely new vertical stabilizer, originally developed for the Boeing 307 Stratoliner, and the addition of a tail gunner. Experience had shown the Flying Fortress was vulnerable to attack from behind.

  7. Hyperspace - Wikipedia

    en.wikipedia.org/wiki/Hyperspace

    t. e. In science fiction, hyperspace (also known as nulspace, subspace, overspace, jumpspace and similar terms) is a concept relating to higher dimensions as well as parallel universes and a faster-than-light (FTL) method of interstellar travel. In its original meaning, the term hyperspace was simply a synonym for higher-dimensional space.

  8. New Horizons - Wikipedia

    en.wikipedia.org/wiki/New_Horizons

    On September 24, 2005, the spacecraft arrived at the Kennedy Space Center on board a C-17 Globemaster III for launch preparations. [82] The launch of New Horizons was originally scheduled for January 11, 2006, but was initially delayed until January 17, 2006, to allow for borescope inspections of the Atlas V 's kerosene tank.

  9. Boeing Starliner - Wikipedia

    en.wikipedia.org/wiki/Boeing_Starliner

    Boeing Starliner. The Boeing Starliner (or CST-100) [ c ] is a spacecraft designed to transport crew to and from the International Space Station (ISS) and other low-Earth-orbit destinations. Developed by Boeing under NASA 's Commercial Crew Program (CCP), it consists of a reusable crew capsule and an expendable service module.