-
The first reflective telescope is created by Issac Newton
-
Issac Newton publishes his theory of universal gravity in Philosophiae Naturalis Principia Mathematica.
-
Halley correctly predicts the return of a comet (Halley's comet) in 1758.
-
First asteroid "Ceres" discovered by Piazzi
-
Albert Einstein introduces his general Theory of Relativity.
-
Rocket pioneer Konstantin Tsiolkovskii was born. "Father of Astronautics". Many of his proposals concerning rocketry were later put into use including: use of liquid hydrogen and liquid oxygen as rocket fuel and multi-stage rocket design
-
The beginning of spectral analysis of stars by Sir William Huggins.
-
Albert Einstein introduces the Theory of Relativity in paper Electrodynamics of Moving Bodies.
-
Hubble shows that galaxies exist outside the Milky Way
-
Sputnik becomes the first object to orbit the Earth it was launched by the Russians.