Sputnik 1 was the first artificial Earth satellite. It was a 585 mm diameter shiny metal sphere, with four external radio antennae to broadcast radio pulses. This frightened the Americans into thinking that the Soviets would eventually get nuclear missiles into space and use them on the U.S.
First American Artificial Satellite
January 31, 1958
On January 31st, 1958 the U.S launched Explorer I. It was our response the the Soviets Sputnik Satellite.
The U.S. launched there weather satellite
February 17, 1959
Weather satellites are used to monitor the weather and climate of Earth. The first satellite was called the Vanguard 2, it was made to measure cloud cover but didn't collect much evidence.
First Photo of Earth from Space
August 7, 1959
The Explorer 6 was launched this day to study different rays, it also carried a camera to take pictures of Earth while in orbit. The mission lasted 60 days.
Probe to the Moon
September 14, 1959
The Luna 2 was the second space probe launched to the moon but the first to make it to the moon. It impacted the lunar surface east of Mare Serenitatis near the Aristides, Archimedes, and Autolycus craters.
First Human in Orbit
april 12, 1961
Yuri Gagarin was a Soviet pilot and cosmonaut. He was the first human to make it into outer space, he becam an international celebrity when he came back and received numerous awards and medals.
First Woman in Orbit
June 16, 1963
Valentina Tereshkova is the first woman to go into space, she was selected from more then 400 applications to pilot Vostok 6, the ship they used.
First Probe on Venus
March 1, 1966
The Venera 7 was the first probe to land on Venus, it was built really strong and sturdy because Venus' atmospheric pressure was so big, Venera 7 malfunctioned a little but still brought some information back to Earth.
First Human on the Moon
July 20, 1969
Neil Armstrong was an American astronaut and the first person to walk on the moon. He piloted Gemini 8 in 1966 and performed the first space docking with two ships. Armstrong made it to the moon in Apollo 11, he spent two and a half hours exploring it.
First Space Station
april 23 1971
The first space station ever to be launched into space was the Salyut 1. Salyut 1 was in space for about 174 days, the Soviets tried to board it two times before they finally made it on the station.