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Encyclopedia > Cosmos 954
First found Cosmos-954 debris

Cosmos 954 was a Soviet Radar Ocean Reconnaissance Satellite (RORSAT) with an onboard nuclear reactor. The satellite's reactor core failed to separate and boost into a nuclear-safe orbit, and instead remained onboard in an orbit that decayed until the satellite reentered Earth's atmosphere January 24, 1978. The satellite crashed in the Northwest Territories, Canada, spreading its radioactive fuel on a 600-kilometre path from the Great Slave Lake to Baker Lake. In an attempt to recover radioactive material, a search was conducted covering a total of 124,000 km² (48,000 mile²) [1]. Image File history File links No higher resolution available. ... Image File history File links No higher resolution available. ... Soviet redirects here. ... Radar-equipped Ocean Reconnaissance SATellite or RORSAT is the western name given to the Soviet Upravlenniye Sputnik-Aktivny (US-A) satellites. ... Core of a small nuclear reactor used for research. ... An Earth observation satellite, ERS 2 For other uses, see Satellite (disambiguation). ... Two bodies with a slight difference in mass orbiting around a common barycenter. ... Atmospheric entry is the transition from the vacuum of space to the atmosphere of any planet or other celestial body. ... This article is about Earth as a planet. ... January 24 is the 24th day of the year in the Gregorian calendar. ... Year 1978 (MCMLXXVIII) was a common year starting on Sunday (link displays the 1978 Gregorian calendar). ... Motto: none Capital Yellowknife Largest city Yellowknife Official languages Chipewyan, Cree, English, French, Gwich’in, Inuinnaqtun, Inuktitut, Inuvialuktun, North Slavey, South Slavey, TłįchÇ« [1] Government - Commissioner Tony Whitford - Premier Joe Handley (Consensus government (no party affiliations)) Federal representation in Canadian Parliament - House seats 1 - Senate seats 1 Confederation 1870... Mackenzie River drainage basin showing Great Slave Lakes position in the Western Canadian Arctic Great Slave Lake (French: Grand lac des Esclaves) is the second-largest lake in the Northwest Territories of Canada (behind Great Bear Lake), the deepest lake in North America at 614 meters (2015 ft), and... Baker Lake is a settlement in Nunavut on mainland Canada, 320 kilometers inland from Hudson Bay and located at 64° 19’ N, 96°02’W. It has a population of about 1500. ... Square kilometre (US spelling: Square kilometer), symbol km², is an SI unit of surface area. ... A mile is a unit of length, usually used to measure distance, in a number of different systems, including Imperial units, United States customary units and Norwegian/Swedish mil. ...


Subsequent recovery efforts (Operation Morning Light) by a joint American-Canadian team swept the area by foot and air until the spring ice breakup in April made further searches impractical. They were ultimately able to recover 12 larger pieces of the satellite. These pieces displayed radioactivity of up to 1.1 sieverts per hour, yet they only comprised an estimated 1% of the fuel. For these recovery efforts, the Canadian Government billed the Soviet Union $6,041,174.70 for factual expenses and additional compensation for future unpredicted expenses; the U.S.S.R. paid the sum and an additional compensation of over 3 million dollars. Operation Morning Light was the joint Canadian/American recovery of the residue of the Soviet satellite Cosmos 954, which crashed near Great Slave Lake in January, 1978. ... The sievert (symbol: Sv) is the SI derived unit of dose equivalent. ...


External links

  • Radiation Geophysics - Operation Morning Light - A personal account A detailed first-hand account of recovering pieces of Cosmos 954; includes pictures.
  • Settlement of Claim between Canada and the Union of Soviet Socialist Republics for Damage Caused by "Cosmos 954" (Released on April 2, 1981)
  • Gus W. Weiss (Spring 1978). "Life and death of Cosmos 954". Studies in Intelligence. 

References

  1. ^ Caldicott, Helen. The New Nuclear Danger: George W. Bush's Military-Industrial Complex. The New Press: New York, 2002.

See also


  Results from FactBites:
 
Cosmos (satellite) - Wikipedia, the free encyclopedia (335 words)
Cosmos is name of a series of satellites which were launched by the Soviet Union and are being launched now by Russia.
If the engine misfired or the burn was not completed, the probes which would be left in Earth orbit would be given a Cosmos designation, which allowed the Soviets to claim a more successful record for their planetary exploration programs, and also may have helped further disguise genuine military satellites of the Cosmos series.
Cosmos 954 - failed and deorbited with a full nuclear payload, contaminating an area in northern Canada
  More results at FactBites »


 

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