ch 14 Flashcards
1
Q
what transform into supernovae, neutron stars, and black holes
A
massive stars
2
Q
what end life as a white dwarf surrounded by a disappearing planetary nebula
A
average stars
3
Q
which is less luminous: nova or supernova
A
nova
4
Q
what is caused by hydrogen fusion on the surface of a white dwarf in a binary system
A
nova
5
Q
what is caused by two white dwarfs gradually spiraling inward towards each other, merging, and the total mass of the two exceeds 1.4
A
supernova
6
Q
what are neutron stars left behind by the supernova explosions
A
pulsars
7
Q
what is a place where gravity is so strong that nothing can escape from within in it
A
black hole
