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  2. Perturbation (astronomy) - Wikipedia

    en.wikipedia.org/wiki/Perturbation_(astronomy)

    In astronomy, perturbation is the complex motion of a massive body subjected to forces other than the gravitational attraction of a single other massive body. [1] The other forces can include a third (fourth, fifth, etc.) body, resistance, as from an atmosphere, and the off-center attraction of an oblate or otherwise misshapen body.

  3. List of Roblox games - Wikipedia

    en.wikipedia.org/wiki/List_of_Roblox_games

    Blox Fruits (formerly known as Blox Piece), is an action fighting game created by Gamer Robot that is inspired by the manga and anime One Piece. [155] In the game, players choose to be a master swordsman, a powerful fruit user, a martial arts attacker or a gun user as they sail across the seas alone or in a team in search of various worlds and ...

  4. Retrograde and prograde motion - Wikipedia

    en.wikipedia.org/wiki/Retrograde_and_prograde_motion

    All eight planets in the Solar System orbit the Sun in the direction of the Sun's rotation, which is counterclockwise when viewed from above the Sun's north pole. Six of the planets also rotate about their axis in this same direction. The exceptions – the planets with retrograde rotation – are Venus and Uranus.

  5. Axial tilt - Wikipedia

    en.wikipedia.org/wiki/Axial_tilt

    Since the launch of space-based telescopes such as Kepler space telescope, it has been made possible to determine and estimate the obliquity of an extrasolar planet. The rotational flattening of the planet and the entourage of moons and/or rings, which are traceable with high-precision photometry provide access to planetary obliquity, ψ p .

  6. Syzygy (astronomy) - Wikipedia

    en.wikipedia.org/wiki/Syzygy_(astronomy)

    A syzygy causes the fortnightly phenomena of spring tides. At the new and full moon, the Sun and Moon are in syzygy. At the new and full moon, the Sun and Moon are in syzygy. Their tidal forces act to reinforce each other, and the ocean both rises higher and falls lower than the average. [ 6 ]

  7. Spacecraft flight dynamics - Wikipedia

    en.wikipedia.org/wiki/Spacecraft_flight_dynamics

    The planet-fixed values of v and θ are converted to space-fixed (inertial) values with the following conversions: [7] = + ⁡ ⁡ ⁡ + (⁡), where ω is the planet's rotational rate in radians per second, φ is the launch site latitude, and A z is the launch azimuth angle.

  8. Solar System - Wikipedia

    en.wikipedia.org/wiki/Solar_System

    If the Sun–Neptune distance is scaled to 100 metres (330 ft), then the Sun would be about 3 cm (1.2 in) in diameter (roughly two-thirds the diameter of a golf ball), the giant planets would be all smaller than about 3 mm (0.12 in), and Earth's diameter along with that of the other terrestrial planets would be smaller than a flea (0.3 mm or 0. ...

  9. Space flight simulation game - Wikipedia

    en.wikipedia.org/wiki/Space_flight_simulation_game

    The modern space flight game genre emerged at the point when home computers became sufficiently powerful to draw basic wireframe graphics in real-time. [1] The game Elite is widely considered to be the breakthrough game of the genre, [1] [2] [3] and as having successfully melded the "space trading" and flight sim genres. [4]