These binary systems consist of a neutron star orbiting around a supergiantstar.
这些双星系统由一个巨星和围绕其的中子星组成。
2
Eventually, such a system will evolve further with the death of the remaining supergiantstar.
最终这样的系统会进一步演化到剩余巨星的死亡。
3
Basking in the glow of the bright supergiantstar Rigel, the Witch Head Nebula trails like a puff of smoke through the Eridanus constellation about 700 light years away.