When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. Aerospace engineering - Wikipedia

    en.wikipedia.org/wiki/Aerospace_engineering

    The term is used ironically in the expression "It's not rocket science" to indicate that a task is simple. [27] Strictly speaking, the use of "science" in "rocket science" is a misnomer since science is about understanding the origins, nature, and behavior of the universe; engineering is about using scientific and engineering principles to ...

  3. Rocket science - Wikipedia

    en.wikipedia.org/wiki/Rocket_science

    Rocket science is a colloquial term for aerospace engineering and orbital mechanics.. It may also include the chemistry and engineering behind rockets.. In popular terminology, it's not rocket science is a layperson's passive aggressive phrase uttered meaning something that is not difficult to understand to attack one's inactions that is a byproduct of anti-intellectualism.

  4. Rocketry - Wikipedia

    en.wikipedia.org/wiki/Rocketry

    The design and construction of rockets. The hobbyist or (semi-)professional use of model rockets; Aerospace engineering, also known as rocket science; Amateur rocketry, a hobby in which participants experiment with fuels or custom rocket motors

  5. Space technology - Wikipedia

    en.wikipedia.org/wiki/Space_technology

    When a Delta II rocket exploded 13 seconds after launch on January 17, 1997, there were reports of store windows 10 miles (16 km) away being broken by the blast. [ 7 ] Space is a fairly predictable environment, but there are still risks of accidental depressurization and the potential failure of equipment, some of which may be very newly developed.

  6. Militarisation of space - Wikipedia

    en.wikipedia.org/wiki/Militarisation_of_space

    The cost of maintaining the system is approximately US$400 million per year, including the replacement of ageing satellites. The first of 24 satellites that form the current GPS constellation (Block II) was placed into orbit on February 14, 1989. The 52nd GPS satellite since the beginning in 1978 was launched November 6, 2004 aboard a Delta II ...

  7. History of rockets - Wikipedia

    en.wikipedia.org/wiki/History_of_rockets

    The Hale rocket removed the need for a rocket stick, travelled further due to reduced air-resistance, and was far more accurate. In 1865 the British Colonel Edward Mounier Boxer built an improved version of the Congreve rocket by placing two rockets in one tube, one behind the other.

  8. Rocket - Wikipedia

    en.wikipedia.org/wiki/Rocket

    In 1929, Fritz Lang's German science fiction film Woman in the Moon was released. It showcased the use of a multi-stage rocket, and also pioneered the concept of a rocket launch pad (a rocket standing upright against a tall building before launch having been slowly rolled into place) and the rocket-launch countdown clock.

  9. Spaceflight - Wikipedia

    en.wikipedia.org/wiki/Spaceflight

    Spaceflight (or space flight) is an application of astronautics to fly objects, usually spacecraft, into or through outer space, either with or without humans on board.Most spaceflight is uncrewed and conducted mainly with spacecraft such as satellites in orbit around Earth, but also includes space probes for flights beyond Earth orbit.