Geography
Geography, 29.07.2019 06:00, majakvcvc77

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?

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You observe the peak brightnesses of two white dwarf supernovae. supernova a is only 1/4 as bright a...

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