Retrograde

Retrograde motion is an optical illusion created by the relative orbital speeds of Earth and other planets. Just as a car you pass on the highway appears to move backward, planets seem to reverse direction when viewed from our moving vantage point. In astrological interpretation, retrograde planets turn their energy inward. Mercury retrograde affects external communication; Venus retrograde prompts reevaluation of relationships and values; Mars retrograde can dampen direct action and assertiveness. The outer planets retrograde for months each year, and their effects are subtler and more generational. People born during a planetary retrograde may express that planet's energy differently — more internally, unconventionally, or with a delayed development that eventually becomes a unique strength.

The word comes from the Latin retrogradus — retro (backward) + gradus (step) — and the concept goes back at least to Babylonian astronomy, where scribes in the 7th century BCE were already tracking planetary stations and backward motion in cuneiform records. Hellenistic astrologers inherited that observational framework and built interpretive meaning around it; Ptolemy's Tetrabiblos (2nd century CE) treats retrograde planets as weakened or compromised in their significations. Vedic astrology developed its own parallel doctrine — vakra graha, literally 'crooked planets' — which in some texts actually treats retrograde as intensifying a planet's power rather than diminishing it. The modern psychological reframe, where Mercury retrograde in particular becomes shorthand for communication chaos, is largely a 20th-century Western phenomenon.

Check which planets were retrograde at your birth — these energies may require more conscious development. During transiting retrogrades, embrace the "re-" prefix: review, revise, reconsider. Avoid starting entirely new ventures in retrograde areas, but finishing and refining old ones is ideal.