supernova例句
The ejected mass then probably becomes the observed material of a
supernova outburst.
在这种情况下,抛射物质可能就成为一次超能量爆发中的观测对象.
These sources are generally viewed in projection against radio nebulae representing the remnants of
supernova outbursts.
这类源一般都投影在超星爆发残骸的射电星云上.