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  2. Poles of astronomical bodies - Wikipedia

    en.wikipedia.org/wiki/Poles_of_astronomical_bodies

    In 2009 the responsible IAU Working Group decided to define the poles of dwarf planets, minor planets, their satellites, and comets according to the right-hand rule. [1] To avoid confusion with the "north" and "south" definitions relative to the invariable plane, the poles are called "positive" and "negative."

  3. Astrological sign - Wikipedia

    en.wikipedia.org/wiki/Astrological_sign

    This is placement by house in the chart under examination. Accidental dignity is the planet's "ability to act". Accidental dignity is the planet's "ability to act". So we might have, for example, Moon in Cancer, dignified by rulership, is placed in the 12th house it would have little scope to express its good nature. [ 42 ]

  4. Chart Rulership - Wikipedia

    en.wikipedia.org/wiki/Chart_Rulership

    The inner planets influence our everyday reality because of the fast speed they move at. The inner planets cycle around the Earth quickly which is why they have a stronger and more immediate personal effect. The outer planets take longer to orbit the Sun and represent an overarching theme within someones life.

  5. Solar System belts - Wikipedia

    en.wikipedia.org/wiki/Solar_System_belts

    [6] [7] The Grand tack hypothesis is a model of the unique placement of the giant planets and the Solar System belts. [3] [4] [8] Most giant planets found outside our Solar System, exoplanets, are inside the snow line, and are called Hot Jupiters. [5] [9] Thus in normal planetary systems giant planets form beyond snow line and then migrated ...

  6. How to see 6 planets align in a rare night-sky parade in ...

    www.aol.com/where-see-6-planets-align-201701363.html

    Four planets — Venus, Saturn, Jupiter, and Mars — are bright enough to see with the naked eye this month. Uranus and Neptune are visible with a telescope. Uranus and Neptune are visible with a ...

  7. Orbital state vectors - Wikipedia

    en.wikipedia.org/wiki/Orbital_state_vectors

    Orbital position vector, orbital velocity vector, other orbital elements. In astrodynamics and celestial dynamics, the orbital state vectors (sometimes state vectors) of an orbit are Cartesian vectors of position and velocity that together with their time () uniquely determine the trajectory of the orbiting body in space.

  8. Solar System - Wikipedia

    en.wikipedia.org/wiki/Solar_System

    [f] Six planets, seven dwarf planets, and other bodies have orbiting natural satellites, which are commonly called 'moons'. The Solar System is constantly flooded by the Sun's charged particles, the solar wind, forming the heliosphere. Around 75–90 astronomical units from the Sun, [g] the solar wind is halted, resulting in the heliopause.

  9. Astronomical coordinate systems - Wikipedia

    en.wikipedia.org/wiki/Astronomical_coordinate...

    The heliocentric ecliptic system describes the planets' orbital movement around the Sun, and centers on the barycenter of the Solar System (i.e. very close to the center of the Sun). The system is primarily used for computing the positions of planets and other Solar System bodies, as well as defining their orbital elements.