Because Mercury’s orbit is only 88 days long, compared to 365 for Earth, the phenomenon of Mercury in apparent retrograde motion happens three to four times a year. In the astrology world ...

Mercury completes its orbit around the sun in only 88 days, causing it to appear retrograde three or four times a year for about three weeks at a time, according to Farmers' Almanac.

This means that, from our perspective on Earth, it appears as if Mercury is moving backward in its orbit around the sun. Mercury in retrograde is not a rare or sudden occurrence. It happens three ...

Mercury in retrograde is a phenomenon that occurs when the planet Mercury appears to be moving backward in its orbit. This phenomenon has been linked by astrologers to a variety of behavioral and ...