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Question
Which are the two most popular candidates for gamma-ray bursters?A) hypernova making pulsars, and mergers of two white dwarfs
B) mergers of two black holes, and merger of a neutron star and a white dwarf
C) hypernova making a black hole, and merger of two neutron stars
D) collisions between a white dwarf and a giant, and merger of two neutron stars
E) formation of uranium in the core of a supergiant, and collisions of white dwarfs
Answer
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