Portrait of Pierre-Simon Laplace

Pierre-Simon Laplace

astronomer

AriesGemini

Photo: Jean-Baptiste Paulin Guérin · Public domain

Born
March 23, 1749
Birthplace
Beaumont-en-Auge
Sun sign
Aries

Pierre-Simon Laplace, astronomer, was born on March 23, 1749 in Beaumont-en-Auge. With the Sun in Aries, Pierre-Simon's chart begins from a Aries core. Without a recorded birth time, the Moon and angles can't be pinned precisely, but the planetary placements by date still hold.

Astrological profile

With an Aries Sun at 3° the core self is assertive, pioneering and eager to act, while the Gemini Moon at 6° adds a quick‑silver emotional rhythm that craves mental variety and conversation. The lack of a confirmed Ascendant means the outward persona is best inferred from this fire‑air blend: direct, enthusiastic, and intellectually restless, yet the chart’s heavy water influence softens the raw Aries drive, giving a reflective, feeling‑oriented undercurrent that tempers impulsivity with emotional awareness.

The tightest planetary link, Venus conjunct Jupiter in Pisces, creates a highly generous, spiritually inclined heart. This conjunction swells the desire for idealistic connection, encouraging compassionate imagination and a talent for seeing beyond the material. Opposing that flow, Saturn square Uranus in Scorpio versus Aquarius (both at 20°) pits disciplined structure against sudden innovation, producing an inner tension that forces the native to reconcile deep, investigative intensity with a need for freedom and reform. Meanwhile the Sun’s trine to Pluto in Sagittarius (1° orb) gifts a confident will that can transform ideas into lasting influence, while Mercury’s trine to Neptune in Cancer (1° orb) blends precise analytical thought with intuitive insight, allowing concepts to be expressed with poetic nuance.

Water dominates the elemental distribution (five placements) and mutable signs are pre‑eminent, signalling an adaptable, emotionally attuned personality that moves fluidly between ideas and feelings. The mutable quality dovetails the Gemini Moon’s versatility and the Pisces‑heavy outer planets, producing a mind that reshapes itself to fit new circumstances. Overall, the chart reads as a visionary intellect softened by empathy, constantly seeking to synthesize bold purpose with compassionate insight.

An interpretation of the chart above, generated from the computed placements.

Natal placements

SunH10Aries 3°
MoonH5Gemini 6°
MercuryH9Pisces 24°
VenusH9Pisces 12°
MarsH12Sagittarius 22°
JupiterH9Pisces 12°
SaturnH11Scorpio 20°
UranusH8Aquarius 20°
NeptuneH6Cancer 23°
PlutoH11Sagittarius 2°
ChironH12Sagittarius 28°
CeresGemini 11°
PallasTaurus 13°
JunoPisces 4°
VestaSagittarius 23°
LilithH2Leo 19°
North NodeH12Capricorn 25°

Computed from the birth date (noon). The Moon is approximate and angles are omitted without a birth time.

Pierre-Simon is a direct and driven Aries Sun, with a curious and quick Gemini Moon. The chart leans water and mutable.

Major aspects

Venus Jupiter 0°Saturn Uranus 0°Sun Pluto 1°Mercury Neptune 1°Mercury North Node 1°Mars Neptune 1°Mercury Mars 2°Mars Uranus 2°Neptune North Node 2°Sun Moon 3°

△ trine · ⚹ sextile flow easily · □ square · ☍ opposition create tension · ☌ conjunction fuses energies · ⚻ quincunx asks for adjustment

Element & modality balance

Fire
3
Earth
0
Air
2
Water
5
Cardinal
2
Fixed
2
Mutable
6

Born the same day

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