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A particularly important transit is the planetary return. This occurs when a transiting planet returns to the same point in the sky that it occupied at the moment of a person's birth. What this means is that the planet has completed a whole circuit of the sky, and signifies that a new cycle in the person's life is beginning.
Astrological progression is a part of what is usually called predictive astrology, the claim of astrology to predict or forecast future trends and developments. Most astrologers nowadays regard the term 'prediction' as something of a misnomer, as modern astrology does not claim to directly predict future events as such.
The orbital period (also revolution period) is the amount of time a given astronomical object takes to complete one orbit around another object. In astronomy, it usually applies to planets or asteroids orbiting the Sun, moons orbiting planets, exoplanets orbiting other stars, or binary stars.
In horoscopic astrology, a Saturn return is an astrological transit that occurs when the planet Saturn returns to the same ecliptic longitude that it occupied at the moment of a person's birth. [ 1 ] [ 2 ] While the planet may not first reach the exact location until the person is 29 or 30 years old, the influence of the Saturn return is ...
The stars are so far away that Earth's movement along its orbit makes nearly no difference to their apparent direction (except for the nearest stars if measured with extreme accuracy; see parallax), and so they return to their highest point at the same time each sidereal day.
The diagram shows a Hohmann transfer orbit to bring a spacecraft from a lower circular orbit into a higher one. It is an elliptic orbit that is tangential both to the lower circular orbit the spacecraft is to leave (cyan, labeled 1 on diagram) and the higher circular orbit that it is to reach (red, labeled 3 on diagram).
In astronomy, planetary transits and occultations occur when a planet passes in front of another object, as seen by an observer.The occulted object may be a distant star, but in rare cases it may be another planet, in which case the event is called a mutual planetary occultation or mutual planetary transit, depending on the relative apparent diameters of the objects.
A sidereal year (/ s aɪ ˈ d ɪər i. əl /, US also / s ɪ-/; from Latin sidus 'asterism, star'), also called a sidereal orbital period, is the time that Earth or another planetary body takes to orbit the Sun once with respect to the fixed stars.