Mercury is the closest planet to the sun in our solar system, with an extremely thin atmosphere not doing much to protect it from the Sun’s rays and flare. Its named after Romes God Mercury the trickster god of thieves, moving through the veil, and male virility who enjoys the company of man more than that of the gods. This small planet orbits the sun in about 88 days, 87.97 to be more accurate, staying in one sign from two weeks to one month depending on the motion of this planet. Meaning if Mercury is in the process of going into or out of retrograde, retrograde, or direct.
In astrology, this planet governs communication, thinking, peers, and cunning. It rules Gemini and Virgo, Exalted in Virgo, Falls in Pisces, and is debilitated in Sagittarius. Mercury is about obtaining knowledge through curiosity, again, governing two signs Gemini, gaining information and Virgo- breaking down that information. It rules over the third house of short travel, peers, communication, and sixth house of open enemies, health, and routine. The two elements attributed to Mercury air and earth showing in astrology this planet is about logic and practicality. Mercury’s mode is mutable meaning the characteristics of Mercury are fickle, cunning, detached, and always adjusting to change. When Mercury aspects a planet it adds Gemini or Virgo qualities to that plant. For example, Venus/Mercury aspects can give eloquence with speech, value logic and reason, learning skills, love of talking and being social with peers, dating multiple people at once or serial dating, and lends to noticing details and/or being critical of those in your personal relationship. Mercury/Moon aspects give a busy mind, nervous thoughts/emotions, need for talk and communication for comfort, wanting to move around, or traveling short distances for emotional stability.
Mercury dominant people, for the most part, are curious, leans towards intellectualism, tend to be lean and wiry, with long limbs or fingers. Mercury gives a need for people to build and gain skills, most of the time it is hard for Mercury dom people to stick to one thing.
Alchemically The symbolic meaning of Mercury is shown in the three elements of dark matter as Spirit. The glyph is composed of the crescent, circle the ego, and cross showing the connection of the mind and self on the physical and spiritual. Think of this a moving through the vail and bring your thoughts from the mental or spiritual to the mundane/physical. The metal for Mercury is quicksilver, the day is Wednesday, the finger it rules is the pinky finger. As for the Body, mercury rules the arms and hands.