1609 in science

List of years in science (table)
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The year 1609 in science and technology involved some significant events.

Astronomy

• Johannes Kepler publishes his first two laws of planetary motion.

Technology

• Cornelius Drebbel invents the thermostat.

Publications

• Johannes Kepler publishes Astronomia Nova, with his first two laws of planetary motion.
• Hugo Grotius - Mare liberum.

Births

• June 29 - Pierre Paul Riquet, French engineer and canal builder (died 1680)
• October 8 - John Clarke, English physician (died 1676)

Deaths

• Oswald Croll, German chemist and physician (born c1560)
• Charles de L'Ecluse, (or Clusius), French botanist who published one of the earliest known books on Spanish flora (born 1525)