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Sputnik 1 was the first Earth-orbiting artificial satellite. It was launched into an elliptical low Earth orbit by the Soviet Union on 4 October 1957, and was the first in a series of satellites collectively known as the Sputnik program. The unanticipated announcement of Sputnik 1's success precipitated the Sputnik crisis in the United States and ignited the Space Race within the Cold War. The launch ushered in new political, military, technological, and scientific developments. While the Sputnik launch was a single event, it marked the start of the space age. |
Most Viewed TodayStrong Earthquake Rocks Bulgaria, No Casualties (Raw Video from Sofia)22 May 2012, 2704 VIEWS
A 5.8-magnitude quake struck Bulgaria early Tuesday, triggering panic among local residents. No casualties were reported. The quake jolted the ... |
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