Yuri Gagarin
Russian-Soviet pilot and cosmonaut Yuri Gagarin is well-known as the first human to journey into outer space.
Zodiac
The zodiac is a belt or zone of space around Earth. The Belt around the earth extends about 9° on either side of the Ecliptic.
Geostationary orbit
A geostationary orbit allows a satellite to hover over a constant spot on the Earth.
The orbital period at this altitude is 24 hours.