After the steam explosion which blew the top of the reactor off, the graphite moderator was exposed to air, and as it was hot enough it started to burn. Decay heat from the fuel would have contributed to the high temperature as well. Graphite burns well in air, as barbecues demonstrate.
See Wikipedia 'Chernobyl disaster' for more information on the development of the disaster.
nuclear
Chernobyl
Chernobyl
No.It was a nuclear disaster that happened in 1986
chernobyl?
The Chernobyl disaster
The world's worst known nuclear disaster was at Chernobyl, in the Ukraine. The Chernobyl Disaster, as it is called, happened on April 26, 1986. There is a link to a Wikipedia article on this below.
Chernobyl is famous for the worst nuclear power plant accident in history.
On April 26, 1986
On April 26, 1986
That is in Ukrainia.
The Chernobyl nuclear power plant exploded on April 26, 1986. It was the worst nuclear disaster in history.