♂ Mars ⚺ Semisextile ♅ Uranus
30° · minor aspect · neutral · default orb ±2°
Mars semisextile Uranus brings the classical planet of force and ignition into adjacent-sign contact with the modern planet of disruption, invention, and the sudden. Twentieth-century practitioners, the only tradition that can address the pair, read the angle as drive rubbing against volatility at one remove: mechanical aptitude, abrupt starts and stops of effort, the friction between trained action and the impulse to break pattern. Domains cited in modern sources include machinery and electricity, insurgent or pioneering effort, and the technical crafts where controlled force meets experimentation, all in the minor aspect's understated register.
Traditional reading
Uranus was identified in 1781, so no ancient or medieval author describes this combination; the reading is assembled from Mars's classical portfolio and the significations moderns gave the new planet. The semisextile compounds the novelty, since classical doctrine regarded adjacent signs as averse and assigned the angle no power of witnessing. Cosmobiologists and other twentieth-century minor-aspect schools nonetheless track such contacts closely, treating them as background static. Mars, orbiting in under two years, is always the applying body against Uranus's eighty-four-year circuit.
Classical reading
Adjacent-sign aspect (30°). Classical sources treat it as minor and somewhat dissonant due to lack of shared element or modality.
Modern reading
Modern reading: subtle adjustment. Two principles in adjacent signs requiring small course corrections to integrate.
The two bodies
Other Mars–Uranus aspects
More on the Semisextile aspect in general.
Reference, not advice
This is cultural and astronomical reference, not personal prediction or advice.
Last reviewed .