News Sputnik - 60 year anniversary

dman

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Today, October 4, is 60th anniversary of launch of Sputnik 1, first artificial satellite

Fact is USA had means to launch satellite using Jupiter C a year before Sputnik

Von Braun and his Army Ballistic Missile Agency team were prevented from doing so by bureaucratic politics which considered Jupiter C "tainted" by
being based on military missile, the Nazi past of some of German rocket engineers

Engineers considered Jupiter C a "kludge" - an inelegant lash-up of a modified Redstone with a group of solid fuel rockets derived from Sergeant tactical missile

US decided to go with Vanguard - totally new untested configuration which was supposedly pure civilian project . Vanguard repeatedly failed - first
attempted launch was spectacular failure in Dec 1957 blowing up on pad

A second attempt had to be aborted because of corrosive oxidizer leak from
2 nd stage

It was the Jupiter C which succeeded on Jan 31 1958 putting Explorer 1 in orbit

Moral is that sometimes cheap and nasty works ......
 

Artlav

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I remember reading that Sputnik 1 was also rather clumsy and unplanned, we didn't realize the significance of it until after the world reacted.
 

Mafo

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Some good details in this video, including one I didn't know about Sputnik orbiting twice before being publicly acknowledged:
[ame="https://www.youtube.com/watch?v=5M-QinwmdKc"]https://www.youtube.com/watch?v=5M-QinwmdKc[/ame]
 

dman

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Standard Soviet (and today Russian) operation

Never announce anything until sure successful

Avoids politically embarrassing failures - aka Vanguard launch blowing up on pad

Following August 1957 test of ICBM (Soviet designation R7, Nato SS-6 Sapwood) Korolev realize could launch one into orbit

Both US and USSR had promised to launch satellites during International Geophysical Year

A satellite was cobbled together with radio transmitter, batteries and some
rudimentary temperature sensors
 

GLS

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A satellite was cobbled together with radio transmitter, batteries and some
rudimentary temperature sensors

But that only happened because Object D (later launched as Sputnik 3) was too heavy to launch at the time. So instead of a very instrumented first satellite, they launched a simple "beep-beep" satellite.
 

statickid

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:salute::probe:

Hail 60 mighty years of orbiting probes!
 
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