Yuri Gagarin went into space on April 12, 1961, becoming the first human to orbit the Earth.
1961, when Yuri Gagarin became the first human to travel into space aboard the Vostok 1 spacecraft.
Russia first sent a human into space on April 12, 1961, when Yuri Gagarin became the first human to orbit Earth.
The first space station, Salyut 1, was launched by the Soviet Union in 1971. This marked the beginning of human habitation in space stations.
The first human in space was Yuri Gagarin, a Soviet astronaut who orbited the Earth on April 12, 1961.
A human was first put into space in April, 1961.
1961 Yuri Gagarin
The Russian cosmonaut Yuri Gagarin was launched in space in 1961.
Yuri Gagarin went into space on April 12, 1961, becoming the first human to orbit the Earth.
Yuri Gagarin was the first human to travel in outer space on April 12th, 1961
1961, when Yuri Gagarin became the first human to travel into space aboard the Vostok 1 spacecraft.
Russia first sent a human into space on April 12, 1961, when Yuri Gagarin became the first human to orbit Earth.
The first space station, Salyut 1, was launched by the Soviet Union in 1971. This marked the beginning of human habitation in space stations.
The first human in space was Yuri Gagarin, a Soviet astronaut who orbited the Earth on April 12, 1961.
The Soviet Union was the first country to launch a human into space. Yuri Gagarin became the first human to journey into outer space on April 12, 1961.
Yuri Gagarin was the first human both sent to space and also to orbit the Earth.
In the year 1974 NASA's Mariner 10 space probe flew by the planet Venus. Later in the year the same probe flew by the planet Mercury, the first flyby of the planet in human history.