You Observe the Peak Brightnesses of Two White Dwarf Supernovae

Multiple Choice

You observe the peak brightnesses of two white dwarf supernovae.Supernova A is only 1/4 as bright as Supernova B.What can you say about their relative distances?

A) Supernova A is twice as far away as Supernova B.
B) Supernova A is 4 times as far away as Supernova B.
C) Supernova B is 4 times as far away as Supernova A.
D) Supernova B is twice as far away as Supernova A.
E) We can't say anything about their relative distances because we do not have enough information.