How Do Astronomers Know That the Crab Nebula Is the Remains

Q19: The Crab Nebula and the Orion Nebula

Q25: A surface explosion on a white dwarf,

Q27: In a neutron star, the core is:<br>A)made

Q29: Stellar nucleosynthesis is responsible for the existence

Q38: A carbon-detonation supernova starts out as a

Q57: Neutron stars have:<br>A)very strong bipolar magnetic fields.<br>B)weak

Q59: Because they all involve formation of iron

Q60: Unlike supernovae, novae can explode more than

Q73: A star can be a supernova:<br>A)in predictable

Q90: The element with the most stable nucleus