Because the Sputnik program ended with Sputnik 3.
Albeit there was a Sputnik 40 and 41 but these were to commemorate the 40th anniversary of Sputnik 1.
In Russian, the word 'Sputnik' is translated to the English word 'Satellite'.The actual name of the SATELLITE was 'Vostok' or 'Vostok 3KA'.
The first artificial satellite to orbit the Earth was a Soviet satellite named Sputnik I. It was launched by the USSR on October 4, 1957, followed by Sputnik 2 in November.
sputnik
Sputnik 1 was lauched on October 4 1957 by Russia.
The Explorer 1 was launched on January 31,1958 one year after the Sputnik 1,and Sputnik 11
Sputnik was put into orbit on October 4, 1957.
Sputnik I was launched from the USSR on October 4, 1957.
Sputnik 1 was in orbit for about three months, from October 4, 1957, to January 4, 1958.
Sputnik I orbited Earth for about 3 months before decaying into Earth's atmosphere and burning up. Sputnik I burned up over 50 years ago.
Nova - 1974 Sputnik Declassified 35-4 was released on: USA: 6 November 2007
That was Sputnik 1 launched 4. oktober 1957 I suppose the name was "Sputnik" and then later when they sendt the next one, they became "Sputnik 1" and "Sputnik 2" regards.
Spunik 1 was launched on October 4, 1957 and stayed in orbit until January 4, 1958. Sputnik 2 was launched on November 3, 1957 and stayed in orbit until April 15, 1958. Further satellites in the series were Sputnik 3 in May, 1958, and the satellites referred to as Sputnik 4 and 5 (actually early Vostok capsules) in 1960.
Sputnik was the "family name" for a series of satellites, so there never was a satellite named only Sputnik. They all had numbers with Sputnik 1 being the first.
The first Sputnik launch took place on October 4, 1957. The 2nd on November 3, 1957.Hope this Helps:)
Dwight D. Eisenhower was the President when the Soviet Union launched Sputnik on October 4, 1957.
It won't be. Sputnik reentered the atmosphere and burned up on January 4, 1958 after three months in orbit.
No, Sputnik I reentered the atmosphere and burned up in January 1958. No, Sputnik 2 reentered the atmosphere and burned up in April 1958. Yes, Sputnik 3 reentered the atmosphere and burned up in April 1960. Yes, Sputnik 4 was not launched until May 1960. Yes, Sputnik 5 was not launched until August 1960