但围绕这簇云团的神秘感仍然挥之不去。 德国联邦辐射防护局(The German Federal Office for Radiation Protection)报告了这个辐射云团，并于10月9日指出，乌拉尔山脉南端位于俄罗斯或哈萨克斯坦的地带可能是其来源。那里接近一座现已关闭的名为奥焦尔斯克(Ozersk)的小镇 ...

"And our hypothesis is that the intention was to create a strong radioactive source of cerium." After the ruthenium plume was detected in late 2017, IRSN issued a report in which it theorized that ...

A vast cloud of nuclear radiation that spreadover continental Europe in 2017 has been traced to an unacknowledged nuclear accident in southern Russia, according to an international team of scientists.

European authorities are providing new details about a cloud of mysterious radioactive material that appeared over the continent last month. Monitors in Italy were among first to detect the ...

Pictured is the spread of the radioactive plume after the Chernobyl disaster in 1986. Most countries have a series of government-run stations set up to monitor atmospheric radiation, as a general ...

At its most intense, the cloud's radiation levels reached 176 millibecquerels per cubic meter of air — 100 times higher than noted in Europe after the Fukushima meltdown. The exact source of ...

A mysterious cloud of radioactive material that hovered over Europe last month came from Russia, Russian weather monitoring data released today (Nov. 21) suggests. The spike in radioactivity was ...

A PEN-LIKE dosimeter hangs around the neck of Katsunobu Sakurai, the tireless mayor of Minamisoma, measuring the accumulated radiation to which he has been exposed during the past two weeks of a ...