-
May 1, 1054
Crab Nebula
Chinese record supernova that produces the Crab Nebula -
Laws of Planetary Motion
Kepler's laws of planetary motion are published -
Christian Huygens
Christian Huygens discovers Saturn's rings and the fourth satellite of Saturn, also known as the Titan. -
Uranus Discovery
William Herschel discovered Uranus in 1781. This is the first new planet to be discovered since ancient times. -
First Photos of Sky
The first photographs of the sky are taken. -
Edwin Hubble's Discovery
The Hooker 100" Telescope in California proves that galaxies are groups of stars like the MIlky Way. Discovery made by Edwin Hubble. -
1st Satellite
The first satellite is now in orbit. -
Neil Armstrong
Neil Armstrong became the first man to ever step foot on the moon. -
Transiting Exoplanet
First transiting exoplanet observed -
Spitzer Space Telescope
NASA's Spitzer Space Telescope finds the first water vapor to be detected on an exoplanet