The following items describe observational characteristics that could indicate that an object is either a white dwarf or a neutron star. Match each characteristic to the correct object.
•may be surrounded by a planetary nebula•emits most strongly in visible and ultraviolet•may be in a binary system that undergoes nova explosions•may be in a binary system that undergoes X-ray bursts•can have a mass of 1.5 solar masses•may be surrounded by a supernova remnant•may repeatedly dim and brighten more than once per second
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