# History of Physics and Astronomy

This version sorts the important
events by name. The lifetimes of people are highlighted in

blue, important people are in

**bold
blue**.

## K

Kastler – Nobel Prizefor Physics 1966

Kater (Kater's compound pendulum)1777-1835Kater's pendulum
1817

**Kepler 1571-1630**Kepler's laws
1609

Kepler's third law 1618

**Kerr 1824-
1907**Kerr effect 1875

Kerr cell 1928

Kinetic theory – Clausius
1857

Kinetic theory of gases – proof of the formula 1860

**Kirchhoff 1824-1887**Kirchhoff's Law - heat 1860

Klystron –
Varian 1939

Knudsen gauge 1910

Krypton 86 as basic length unit 1960

Kundt 1839-1894Kzi 0 discovered 1962