avaruusajasta
Avaruusaika, meaning "space age" in Finnish, refers to the period of history characterized by space exploration and the development of spaceflight technology. It is generally considered to have begun with the launch of Sputnik 1 by the Soviet Union on October 4, 1957. This event marked a significant milestone, initiating the Space Race between the United States and the Soviet Union.
The early avaruusaika was dominated by milestones such as the first human in space, Yuri Gagarin, in
In subsequent decades, the avaruusaika has seen the establishment of international cooperation, exemplified by the International