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Image: Wikimedia CommonsScience · March 23, 1749 · Beaumont-en-Auge
Pierre-Simon Laplace's Birth Chart
Sun in Aries · Moon in Gemini ≈
Pierre-Simon, Marquis de Laplace was a French polymath, a scholar whose work has been instrumental in the fields of physics, astronomy, mathematics, engineering, statistics, and philosophy. He summarized and extended the work of his predecessors in his five-volume Mécanique céleste (1799–1825). This work translated the geometric study of classical mechanics to one based on calculus, opening up a broader range of problems. Laplace also popularized and further confirmed Sir Isaac Newton's work. In statistics, the Bayesian interpretation of probability was developed mainly by Laplace. Wikipedia
Section I · The core
The two luminaries
Two lights set the tone of the whole chart: the Sun, the identity; the Moon, the emotional world.
Pierre-Simon Laplace's Sun, in Aries
Your identity ignites when you begin and open the way: you need causes, challenges and the freedom to go first in order to discover who you are through action.
Pierre-Simon Laplace's Moon, in Gemini
Your emotions ask for words: to name them, tell them, understand them in conversation. You process what you feel through thought and speech. Your emotional security comes from understanding your experiences, voicing them and keeping your mind open and flexible.
Without an exact birth time, the Moon could fall in the neighbouring sign: it changed sign that day.
Section II · The map
Their natal wheel
The sky on the day they were born. The outer ring is the twelve signs; the lines across the centre, the aspects between planets. Without a birth time, houses and the Ascendant aren't drawn.
Section III · The detail
Planets and aspects
The exact numbers behind the drawing. Each table expands one layer of the wheel.
Pierre-Simon Laplace's placements
We compute the placements for the day of birth. Without the exact time the Ascendant and houses can't be fixed, but each planet's sign is reliable.
| Planet | Sign | Degree |
|---|---|---|
| Sun | Aries | 3°00′ |
| Moon | Gemini | 6°19′ |
| Mercury | Pisces ℞ | 23°34′ |
| Venus | Pisces | 12°07′ |
| Mars | Sagittarius | 22°25′ |
| Jupiter | Pisces | 11°39′ |
| Saturn | Scorpio ℞ | 20°02′ |
| Uranus | Aquarius | 19°51′ |
| Neptune | Cancer ℞ | 22°40′ |
| Pluto | Sagittarius ℞ | 1°45′ |
Pierre-Simon Laplace's aspects
Each aspect is an angle between two planets; it defines how they speak to each other. Aspects to the Moon are approximate: they depend on the exact birth time.
Elements and modalities
How their energy is split across the four elements and the three modalities.
Section IV · The signature
The signature of their sky
The whole at a glance: how the planets are spread, and the accents that set the overall tone of the chart.
Seesaw
Your planets gather in two opposite groups: you live in the push and pull between them.
Their energy concentrates in the element of Water and the Mutable modality.
Mercury is the most connected planet in their chart: 5 aspects tie it to the rest.
Three or more planets together in Pisces: a strongly marked focus of energy in that area.
Three planets in trine forming a triangle: a talent that flows almost effortlessly.
And your own sky?
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