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  2. Spacecraft flight dynamics - Wikipedia

    en.wikipedia.org/wiki/Spacecraft_flight_dynamics

    The principles of flight dynamics are used to model a vehicle's powered flight during launch from the Earth; a spacecraft's orbital flight; maneuvers to change orbit; translunar and interplanetary flight; launch from and landing on a celestial body, with or without an atmosphere; entry through the atmosphere of the Earth or other celestial body ...

  3. List of planet types - Wikipedia

    en.wikipedia.org/wiki/List_of_planet_types

    Superior planets: Planets whose orbits lie outside the orbit of Earth. [nb 1] Jupiter, Saturn, Uranus and Neptune: Trojan planet: A planet co-orbiting with another planet. The discovery of a pair of co-orbital exoplanets has been reported, but later retracted. [3] One possibility for the habitable zone is a trojan planet of a gas giant close to ...

  4. 10 Model Airplanes Worth Sky-High Amounts - AOL

    www.aol.com/10-model-airplanes-worth-sky...

    Read more The post 10 Model Airplanes Worth Sky-High Amounts appeared first on Wealth Gang. ... complete with engine turbines and realistic landing gear. Its connection to Emirates, which is known ...

  5. Spaceplane - Wikipedia

    en.wikipedia.org/wiki/Spaceplane

    A spaceplane is a vehicle that can fly and glide as an aircraft in Earth's atmosphere and function as a spacecraft in outer space. [1] To do so, spaceplanes must incorporate features of both aircraft and spacecraft.

  6. Beam-powered propulsion - Wikipedia

    en.wikipedia.org/wiki/Beam-powered_propulsion

    There is no particular reason why the same fuel has to be used for both energy and momentum. In the jet engine, for instance, the fuel is used only to produce energy, and the air provides the working mass the jet aircraft flies through. In modern jet engines, the amount of air propelled is much more significant than the amount used for energy.

  7. Inferior and superior planets - Wikipedia

    en.wikipedia.org/wiki/Inferior_and_superior_planets

    "Inferior planet" refers to Mercury and Venus, which are closer to the Sun than Earth is. "Superior planet" refers to Mars, Jupiter, Saturn, Uranus, and Neptune (the latter two added later), which are further from the Sun than Earth is. The terms are sometimes used more generally; for example, Earth is an inferior planet relative to Mars.

  8. Model aircraft - Wikipedia

    en.wikipedia.org/wiki/Model_aircraft

    Singapore Airlines Boeing 747-400 scale display model Group of students with their wooden model airplanes in Sonta, Serbia, 1936. A model aircraft is a physical model of an existing or imagined aircraft, and is built typically for display, research, or amusement. Model aircraft are divided into two basic groups: flying and non-flying.

  9. Scientists find Earth-like planet that could be home to alien ...

    www.aol.com/news/scientists-earth-planet-could...

    The distance separating the planet and its star is just 7% of the distance between Earth and the Sun, and the planet receives 1.6 times more energy from its star than Earth does from the Sun.

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