Galileo Galilei - Profile Image
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Galileo Galilei

Notable Trials

28,453

days lived

77

age at death

Born
February 15, 1564 in Pisa
Died
January 8, 1642 in Arcetri (aged 77)
ResidencePisa
Zodiac
♒︎Aquarius·rat 🐀
Updated Jan 2026

About

Galileo di Vincenzo Bonaiuti de' Galilei, commonly referred to as Galileo Galilei or mononymously as Galileo, was an Italian astronomer, physicist, and engineer, sometimes described as a polymath. He was born in the city of Pisa, then part of the Duchy of Florence. Galileo has been called the father of observational astronomy, modern-era classical physics, the scientific method, and modern science.

Birth Chart

Natal Chart

Galileo's Birth Chart

Astrology
♈︎♉︎♊︎♋︎♌︎♍︎♎︎♏︎♐︎♑︎♒︎♓︎
Fire
Earth
Air
Water

Sun Sign

Aquarius♒︎

Moon Sign

Scorpio♏︎

Dominant Element

Air

⚠️ Rising sign requires birth time for accurate calculation

Planetary positions calculated for February 15, 1564

Connections4

Verified Sources

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Dayze Life Thread
1642
Day 28,453
Age 77

Death of Galileo Galilei

Confidence
96%
Jan 8, 1642

Galileo Galilei dies in Arcetri, near Florence, Italy.

1633
Day 25,331
Age 69

Confined to his home

Confidence
98%
Jun 22, 1633
Day 25,260
Age 69

Trial by the Inquisition

Confidence
98%
Apr 12, 1633
1632
Day 24,793
Age 67

Dialogue Concerning the Two Chief World Systems

Confidence
96%
Jan 1, 1632

Publishes 'Dialogue Concerning the Two Chief World Systems'.

1615
Day 18,584
Age 50

Letter to Grand Duchess Christina

Confidence
96%
Jan 1, 1615

Writes about science and religion.

1613
Day 17,854
Age 48

Observations of sunspots

Confidence
96%
Jan 1, 1613

Publishes observations of sunspots.

1612
Day 17,850
Age 48

Discovery of Neptune (unrecognized)

Confidence
96%
Dec 28, 1612

First recorded observation of Neptune, but not recognized as a planet.

1610
Day 16,817
Age 46

Sidereus Nuncius (Starry Messenger)

Confidence
96%
Mar 1, 1610

Publishes 'Sidereus Nuncius' detailing telescopic observations.

Day 16,764
Age 45

Observations of Jupiter's moons

Confidence
96%
Jan 7, 1610

Discovers the four largest moons of Jupiter.

Day 16,758
Age 45

Moves to Florence

Confidence
92%
Jan 1, 1610
1609
Day 16,393
Age 44

Telescope Improvements

Confidence
96%
Jan 1, 1609

Improved the telescope, leading to astronomical discoveries.

1600
Day 13,105
Age 35
1592
Day 10,183
Age 27

Professor at Padua

Confidence
92%
Jan 1, 1592
1583
Day 6,896
Age 18
1581
Day 6,166
Age 16
1564
Day 1
Age 0

Birth of Galileo Galilei

Confidence
96%
Feb 15, 1564

Born in Pisa, Italy.