Overlaying the charts
Synastry is the method of laying two natal charts over each other. The astrologer looks at which of your partner's houses your planets fall into, and what aspects they form.
Venus and Mars
For romantic compatibility the key planets are Venus (how we love) and Mars (how we act, and what we want in bed). Harmonious aspects between them create strong attraction. For a quick calculation by sun sign, use our compatibility section.
