Space history timeline
3 records
1600s
3 records
1604
Kepler’s supernova observed
European and East Asian observers recorded the supernova now designated SN 1604.
1608
Early telescope developed in the Netherlands
Dutch lensmakers developed the telescope, opening a new route to astronomical observation.
1609
Kepler publishes his first two planetary laws
Kepler described elliptical planetary orbits and the equal-area law using Tycho Brahe’s observations.
