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The Chernobyl Nuclear Power Plant underwent a level 7 event - the worst accident so far. The plant, located in the Soviet Union near Pripyat in Ukraine lost its number four reactor on 26 April 1986. A link to the Wikipedia article on the accident is provided.
what event caused many Americans to worry about nuclear power
Very little, except the permanent shutdown of the damaged reactor. Many Americans lost faith in nuclear power.
The accident at Three Mile Island was a partial meltdown of the reactor core in the number 2 reactor at the facility. It didn't happen all at once, but events that led to the failure of the core began at about 4:00 AM on Wednesday, March 28, 1979. The reactor was operating at about 97% of capacity when problems arose in the secondary systems, the non-nuclear part of the plant. These culminated in a lack of water to cool the core, which subsequently overheated. (Use the links below to learn more.)
Three Mile Island
The Chernobyl Nuclear Power Plant underwent a level 7 event - the worst accident so far. The plant, located in the Soviet Union near Pripyat in Ukraine lost its number four reactor on 26 April 1986. A link to the Wikipedia article on the accident is provided.
what event caused many Americans to worry about nuclear power
Three mile island was the site of the worst nuclear 'accident' in america's history. The reactor went into meltdown - releasing radioactive material into the atmosphere.
Very little, except the permanent shutdown of the damaged reactor. Many Americans lost faith in nuclear power.
Chernobyl Nuclear Disaster - April 26, 1986. Three Mile Island Nuclear Generating Station Accident - March 28, 1979 First man-made nuclear reactor that reached criticality - December 2, 1942 (Manhattan Project) Nuclear reactor first used for electricity - December 20, 1951
Americans felt less safe after the accident at Three Mile Island.
The accident at Three Mile Island was a partial meltdown of the reactor core in the number 2 reactor at the facility. It didn't happen all at once, but events that led to the failure of the core began at about 4:00 AM on Wednesday, March 28, 1979. The reactor was operating at about 97% of capacity when problems arose in the secondary systems, the non-nuclear part of the plant. These culminated in a lack of water to cool the core, which subsequently overheated. (Use the links below to learn more.)
Three Mile Island
Three Mile Island.
Three Mile Island.
The main accident caused a partial core meltdown, and later, there was a small explosion due to steam pressure. Basically, operators had shut down reactor 1 for maintenance, and brought reactor 2 up to 97% power, which is HOT! A number of design and equipment faults contributed to the accident. So, yes, there were many ways to have avoided the accident, and other nuclear power plants learned much from this accident.
It didn't explode. Three Mile Island's Nuclear Power Plant in Pennsylvania experienced an almost complete meltdown.