Match the words in the left-hand column to the appropriate blank in the sentences in the right-hand column. use each word only once.
accretion disk massive star supernova nova white dwarf supernova white dwarf limit (1.4 solar masses) electron degeneracy pressure
1. the radius of a white dwarf is determined by a balance between the inward force of gravity and the outward push of .
2. a white dwarf in a close binary system will explode as a supernova if it gains enough mass to exceed the
3. a(n) consists of hot, swirling gas captured by a white dwarf (or neutron star or black hole) from a binary companion star.
4. a(n) occurs when hydrogen fusion ignites on the surface of a white dwarf in a binary system.
5. a(n) can occur only in a binary system, and all such events are thought to have about the same luminosity.
6. a(n) occurs when fusion creates iron in the c