🔬 SCIENCE

Galileo Galilei's Life in Weeks

Called the father of modern science, he championed heliocentrism and made pioneering telescopic observations. His conflict with the Catholic Church became a defining moment in the history of science.

1564–1642 Italian Astronomer & Physicist 4,064 weeks (78 years)

Galileo Galilei's 4,064 Weeks

Each box represents one week. Lived weeks Key milestones

4,064
Total Weeks
28,448
Days Lived
5
Key Milestones
78
Years

Key Milestones

Age 25 · Week ~1,300

Appointed professor of mathematics at the University of Pisa

Age 45 · Week ~2,340

Built an improved telescope and observed the moons of Jupiter

Age 46 · Week ~2,392

Published Sidereus Nuncius describing his telescopic discoveries

Age 68 · Week ~3,536

Published Dialogue Concerning the Two Chief World Systems

Age 69 · Week ~3,588

Tried by the Inquisition and placed under house arrest

Legacy

Used the telescope to discover Jupiter's moons, lunar craters, and the phases of Venus. His observations provided crucial evidence for the Copernican heliocentric model.

What Will Your Weeks Look Like?

Galileo Galilei had 4,064 weeks. The average person has 4,680. How are you spending yours?

Lifeplanr shows your own life in weeks — with journaling, mood tracking, FIRE planning, and travel tracking built in.

See Your Life in Weeks →

More from Science

Albert Einstein 3,970 weeksIsaac Newton 4,395 weeksMarie Curie 3,477 weeksCharles Darwin 3,818 weeksNikola Tesla 4,513 weeksStephen Hawking 3,974 weeks

Other Famous Lives

Leonardo da Vinci 3,498 weeksPablo Picasso 4,771 weeksVincent van Gogh 1,947 weeksFrida Kahlo 2,453 weeksMichelangelo 4,641 weeksClaude Monet 4,490 weeks

Browse all famous lives in weeks →