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Jan 1, 1543
Copernicus' Final Work
Copernicus publishes his most scientificaly impressive work, De revolutionibus orbium coelestium, which theorized that the Earth went around the sun. -
Invention of the Telescope
Hans Lippershey is credited with inventing the earliest form of the telescope. -
Galilean Moons
Galileo Galilei discovers the four moons of Jupiter. -
Halley's Comet
Astronomer Edmond Halley has a famous comet named after him. -
Pluto
The tenth most massive object orbiting our sun, formerly an official planet, is named Pluto. -
Sputnik 1
Sputnik 1 is launched in the Soviet Union, becoming the first artificial Earth satellite. -
Apollo 11 Moon Landing
Neil Armstrong become the first men to step foot on the moon. -
Voyager 1
Voyager 1 is launched to explore outside our solar system. -
Pale Blue Dot
Voyager 1 takes a photo of the Earth from the far reaches of our solar system, giving mankind a humbling perspective on our position among the stars. -
Curiosity Rover
NASA launches the Curiosity rover to explore the surface of Mars