Sputnik 1 Facts
The Sputnik Program, more commonly
known as "companion", is known to be a group of numerous robotic spacecraft
operations launched by the Soviet Union. Sputnik 1, the first of these, is the
first known human made object to enter the space. Sputnik 1 was launched into
the space on October 4, 1957. The launch laid bare the expediency of the usage
of artificial sites for the exploration of upper atmosphere. The word "sputnik"
is said to have Russian origin with the literal meaning "co-traveler",
"satellite", or "travelling companion". Sputnik 1, when lau... full fact »
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