Ultraviolet radiation and violent stellar winds have blown out an enormous cavity in the gas and dust enveloping the cluster.
紫外线和猛烈的星际风，在气体以及包裹星群的灰尘上吹出了一个硕大的洞。
2
RSCAM program system, using Monte Carlo method with albedo approach, is used to calculate streaming neutron radiation field in reactor cavity and containment operating hall.