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    目前地球上的位置列表
    2015年9月5日, 00:01 世界时
    太阳12室女座7'54"7n01
    月亮6双子座58' 3"16n43
    水星9天秤座9'15"5s56
    金星14狮子座25'29"r9n38
    火星17狮子座19'40"16n44
    木星5室女座19'28"10n23
    土星29天蝎座11'26"18s10
    天王星19白羊座52'20"r7n09
    海王星8双鱼座17'59"r9s13
    冥王星13摩羯座4'34"r20s57
    实际月交点1天秤座9' 6"0n27
    凯龙星19双鱼座32'57"r0n15
    解释的象征
    此刻的占星图
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Frequently asked questions

Understanding Astrology > Precession

  1. Is Aries Pisces? Or what about the precession of the equinox?

    The signs of the tropical zodiac, which starts at the Vernal Equinox with 0° Aries, are not the same as the fixed star constellations which carry the same names.
    The signs are sections of the ecliptic circle, 30 degrees each. They serve as an abbreviated measurement system for ecliptic longitude relative to the true equinox of date. Instead of saying 'Saturn is at 123 degrees' we say 'Saturn is at 3 degrees of the 5th zodiac section'. Because the 5th zodiac section is named 'Leo', we say Saturn is at 3 Leo. We mean ecliptic longitude relative to the Equinox, so this is NOT the fixed star constellation Leo.
    The fixed star constellations are irregular patches of stars on the sky. 2000 years ago those areas coincided roughly with the zodiac sections, and that is where they got their names from. The fixed star constellations are not used for measuring coordinates of objects on the sky.
    Due to the effect of lunisolar precession, the ecliptic circle has since shifted versus the fixed star background, and continues to shift by 1° every 72 years.
    Astronomers, who often hate astrology, love to confuse people by pretending of not being aware of the difference between fixed star constellations and the reference frame of the tropical ecliptic coordinate system. In fact, astronomy uses the very same ecliptic coordinate system as astrology does. Also astronomers give the position of objects in the ecliptic by measuring the longitude from the Equinox. Some astronomers try to make astrologers look stupid, when in fact all they manage is confusion of the "innocent public".
    For further information, please read Precession and Zodiac or the full documentation of Swiss Ephemeris.

  2. Do astrologers use the sidereal zodiac as well?

    In Indian (Hindu / Vedic) astrology, the sidereal zodiac is used. The precession of the equinox is not taken into account there. Western astrology only refers to the sidereal zodiac in connection with the world ages, like the Age of Aquarius or the Age of Pisces.

 

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