The Nearest Star,Proxima Centauri,is About Four Light Years Away and Has

question 22

Multiple Choice

The nearest star,Proxima Centauri,is about four light years away and has a luminosity about 0.001 times that of the Sun.If Proxima Centauri were at a distance of one light year instead of four,how much brighter would it appear in the sky?

• A)twice as bright
• B)four times as bright
• C)16 times as bright
• D)4000 times as bright

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