Galileo's telescopic discoveries
Moons of Jupiter and lunar mountains back Copernicus

In The Starry Messenger, Galileo Galilei described mountains on the Moon, countless new stars and four moons of Jupiter seen through his telescope. The observations became powerful evidence for the Copernican system.
Wikipedia (English) · 17th century
Did you know
In 1610 Galileo discovered Jupiter's moons — while in Moscow the Seven Boyars ruled and a Polish garrison entered the city.
Meanwhile around the world (±25 years)
Eastern Europe & Russia
- 1598–1613 Time of Troubles — 12 years earlier
- 1612 Minin and Pozharsky liberate Moscow — 2 years later
- 1613 Election of Michael Romanov as Tsar — 3 years later
Africa
- 1591 Battle of Tondibi and fall of Songhai — 19 years earlier
- 1624–1663 Nzinga becomes Queen of Ndongo — 14 years later
Asia
- 1592–1598 Imjin War — 18 years earlier
- 1600 Battle of Sekigahara — 10 years earlier
- 1632–1653 Building of the Taj Mahal — 22 years later
Americas
- 1600 Eruption of Huaynaputina — 10 years earlier
- c. 1605–1694 Quilombo of Palmares — 5 years earlier
- 1607 Founding of Jamestown — 3 years earlier
- 1609 Jesuit reductions among the Guaraní — 1 year earlier
Alive at the time
- Tokugawa Ieyasu (aged 67)
- Miguel de Cervantes (aged 63)
- William Shakespeare (aged 46)
- Galileo Galilei (aged 46)
- René Descartes (aged 14)
- Rembrandt (aged 4)
- Matteo Ricci (aged 58)
- Rudolf II (aged 58)
- Henry IV (aged 57)
- James I (aged 44)