The body being calculated
Mars orbits beyond Earth. A natal chart uses its geocentric longitude and apparent direction; physical rotation and retrograde longitude are different concepts. In traditional astrology it rules Aries and Scorpio. Modern Scorpio readings may also use Pluto as a separate interpretive association.
The question opened by the interpretation
Mars is read through action, desire, effort, boundaries and responses to disagreement. Strength need not mean volume or continual competition: completing a small task, asking for help and calmly stating a boundary are also actions. A Mars placement does not deliver a fixed verdict about violence, courage or sexuality.
Combining sign, house and aspect
In the Mars entry, first read sign and degree, then the house number, then the aspects listed to other bodies. This separates ways of acting and setting boundaries from the area of life where it is explored. Move from sign to expression, from house to context and from aspect to the relationship between themes. An empty aspect list does not make the body unimportant; it means no selected major aspect meets the stated tolerance.
A hypothetical placement example
A hypothetical Mars in the 3rd house invites examination of action through exchange and speech; in the 10th, through aims, visible work and responsibility. An opposition to the Moon raises a question about negotiating emotional needs and action. A line drawn as an opposition does not prove continual conflict in the person's relationships.
Observe it in your own experience
Consider a wish: did you turn it into a clear request, or wait for someone to notice it? Record the relationship between effort, pace and result. Doing the same work with rest intervals can mean that effort has become better organised rather than weaker.
Accurate data, proportionate interpretation
These examples demonstrate a reading method; do not assume they are the placements of your chart. Changing the birth time or location can especially affect houses. Placidus, Porphyry, Whole Sign and Equal houses use the same planetary longitudes with different house divisions. Keep the method consistent when comparing. A calculable astronomical degree does not establish a scientific measurement of personality or the future.
Sources and approach
These sources explain the page's traditional concepts or calculation context. Original Starmora examples and reflection prompts are not predictions attributed to the sources.