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  2. Atmospheric entry - Wikipedia

    en.wikipedia.org/wiki/Atmospheric_entry

    Atmospheric entry interface velocities on a Mars–Earth trajectory are on the order of 12 km/s (43,000 km/h; 27,000 mph). [24] Modeling high-speed Mars atmospheric entry—which involves a carbon dioxide, nitrogen and argon atmosphere—is even more complex requiring a 19-species model. [citation needed]

  3. Mars atmospheric entry - Wikipedia

    en.wikipedia.org/wiki/Mars_atmospheric_entry

    Mars atmospheric entry is the entry into the atmosphere of Mars. High velocity entry into Martian air creates a CO 2-N 2 plasma, as opposed to O 2-N 2 for Earth air. [1] Mars entry is affected by the radiative effects of hot CO 2 gas and Martian dust suspended in the air. [2] Flight regimes for entry, descent, and landing systems include ...

  4. Non-ballistic atmospheric entry - Wikipedia

    en.wikipedia.org/.../Non-ballistic_atmospheric_entry

    Non-ballistic atmospheric entry is a class of atmospheric entry trajectories that follow a non-ballistic trajectory by employing aerodynamic lift in the high upper atmosphere. It includes trajectories such as skip and glide. [1] [2] Skip is a flight trajectory where the spacecraft goes in and out the atmosphere.

  5. Orders of magnitude (speed) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(speed)

    Atmospheric entry speed of the Galileo atmospheric probe—Fastest controlled atmospheric entry for a human-made object. 66,000: 240,000: 150,000 0.00022: Lower speed bound of the steel plate cap from the Pascal-B nuclear test of Operation Plumbbob. [26] [circular reference] 70,220: 252,800: 157,100 0.00023: Speed of the Helios 2 solar probe ...

  6. Reentry capsule - Wikipedia

    en.wikipedia.org/wiki/Reentry_capsule

    The speed of a spacecraft highly depends on the combined effect of the two forces — gravity, which can speed up a rocket, and drag, which will slow down the rocket. Capsules entering Earth's atmosphere will be considerably slowed because our atmosphere is so thick.

  7. Aerodynamic heating - Wikipedia

    en.wikipedia.org/wiki/Aerodynamic_heating

    Aerodynamic heating is the heating of a solid body produced by its high-speed passage through air. In science and engineering, an understanding of aerodynamic heating is necessary for predicting the behaviour of meteoroids which enter the Earth's atmosphere, to ensure spacecraft safely survive atmospheric reentry, and for the design of high-speed aircraft and missiles.

  8. Ships speeding through US 'go slow' zones meant to protect ...

    www.aol.com/news/ships-speeding-us-slow-zones...

    Oceana said it analyzed boat speeds from November 2020 through July 2022 in slow zones established by the National Oceanic and Atmospheric Administration (NOAA) along the East Coast and found that ...

  9. 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 ...