How many times brighter is a Cepheid variable of absolute magnitude - 3 (negative 3) than...

Question

Question

How many times brighter is a Cepheid variable of absolute magnitude - 3 (negative 3) than a white dwarf of absolute magnitude +7(positive 7)?

a) 10,000 times brighter

b) 100 times brighter

c) 1,000 times brighter

d) 100,000 times brighter

science chemistry

Answer 1

Answer #1

& Auswer: We know that any star is brighter when absolute magnitude of it is pmaller & athe any star is dimmer when absolute

Answer 2

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