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First Telescopic Observations
Galileo Galilei discovered Jupiters moons and craters on Venus when he first viewed the night sky through a telescope. -
Rocket Equation
In 1813 William Moore made the first exposition of the rocket equation based on Isaac Newton's third law of motion. -
First Airplane Flight
Wilbur and Orville Wright made four short flights Kitty Hawk with there first powered aircraft. -
First Liquid Fueled Rocket Launch
Robert Goddard was the first person to launch a liquid fueled rocket in 1926. -
V-2 Rocket Launch
The Germans used the V-2 rocket as a bomb in WWll. It was the first object to travel into space in 1942. -
Sputnik 1
The USSR launched the Sputnik into orbit around Earth. It was the first artificial satellite to be sent into orbit. -
Explorer 1 Launch
In response to the Sputnik program, the US launched there first satellite the Explorer 1. -
First Picture of Earth from Orbit
In 1959 Explorer 6 took the first photograph of Earth from orbit. -
First Man On The Moon
In 1969 Niel Armstrong and Buzz Aldrin were the first people to walk on the Moon, as apart of Apollo 11. -
Salyut 1
Salyut 1 was the first space station launched into LEO by the USSR in 1971. -
Apollo-Soyuz Test Project
In 1975 the USSR and the United States carried out a joint mission were an Apollo spacecraft docked with a Soviet spacecraft. -
Viking Program
In 1976 a lander from the Viking program was the first to send soil samples and Photos from Mars surface. -
First Spacecraft Outside of Solar System
In 1983 Pioneer 10 was the first spacecraft to travel past Neptune and outside of our solar system. -
Mir Launch
In 1986 the USSR launched the core for Mir, the first space station designed for long term use. It took nearly 10 years to finish construction of Mir. -
Challenger Explosion
In 1986 the Challenger space shuttle exploded seconds after liftoff, all seven crew members on board died. -
Hubble Space Telescope
The Hubble telescope was put into orbit by the space shuttle Discovery in 1990. It has made some of the greatest astronomical discoveries. -
Discovery of Exoplanets
In 1992 scientists discovered exoplanets. Exoplanets are planets that orbit a different star than our sun in a different solar system. -
The International Space Station
The ISS is a joint project between the space agencies of the United States, Russia, Japan and several European countries.
