Nova are thought to occur in a system, X, in which a white-dwarf star orbits a red giant star. What is X? a) Triple System b) Binary system c) Compact system d) Congenial system
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Nova are thought to occur in a system, X, in which a white-dwarf star orbits a red giant star. What is X?
a) Triple System
b) Binary system
c) Compact system
d) Congenial system
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