Multiple Choice
A star that has an apparent magnitude of 0 (see Figure 10-2,Comins,Discovering the Essential Universe,6th ed.) would:
A) be fainter than Spica (α Virginis) , which has an apparent magnitude of +1.0.
B) be brighter than Deneb (α Cygni) , which has an apparent magnitude of +1.2.
C) have infinite brightness since 1/0 = infinity.
D) not be emitting any light and therefore could not be seen from Earth.
Correct Answer:

Verified
Correct Answer:
Verified
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