The Soviet Union launched Sputnik 1, the first artificial satellite, into orbit on October 4, 1957.

Neil Armstrong became the first person to walk on the moon on July 20, 1969, during the Apollo 11 mission.

NASA (National Aeronautics and Space Administration) was responsible for the Apollo program, which landed the first humans on the moon.

Columbia was the name of the first space shuttle, which was launched on April 12, 1981.

The Soviet Union was the first country to send a probe to Mars, with the Mars 2 and Mars 3 missions in 1971.

The Hubble Space Telescope was the first space telescope, launched in 1990.

The International Space Station is a joint project of five space agencies: NASA, ESA, JAXA, Roscosmos, and CSA.

The Space Shuttle was the first reusable spacecraft, which was used by NASA from 1981 to 2011.

The Soviet Union was the first country to send a probe to Venus, with the Venera 3 mission in 1966.

Pioneer 10 was the first space probe to visit Jupiter, in 1973.

The United States was the first country to send a probe to Saturn, with the Pioneer 11 mission in 1979.

Voyager 2 was the first space probe to visit Uranus, in 1986.

The United States was the first country to send a probe to Neptune, with the Voyager 2 mission in 1989.

New Horizons was the first space probe to visit Pluto, in 2015.

The United States was the first country to send a probe to the Kuiper Belt, with the New Horizons mission in 2015.