The explosion of a supernova appears to leave behind
A) a rapidly expanding shell of gas and a central neutron star.
B) a rapidly rotating shell of gas, dust, and radiation, but no central object.
C) a rapidly expanding shell of gas and a compact white dwarf star at its center.
D) nothing; the explosion changes all the matter completely into energy, which then radiates into space at the speed of light.
Correct Answer:
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