In 1978, a nuclear-powered Soviet satellite plunged through Earth's atmosphere and disintegrated, scattering radioactive debris over parts of northern Canada.
In 1978, a nuclear-powered Soviet satellite plunged through Earth's atmosphere and disintegrated, scattering radioactive debris over parts of northern Canada.
1978年的今天,一颗苏联造的以核能为动力的卫星在穿过大气层时候发生砸裂,其具有发射性的部分残劾散落在加拿大北部.