Two stars have the same spectral class ; Star 1 is 100× dimmer than Star 2. What can you conclude about their distances?

Question

Two stars have the  same spectral class ; Star 1 is 100× dimmer than Star 2. What can you conclude about their distances?

Accepted Answer

You cannot conclude their relative distances from this information alone.

Answer

Star 1 is exactly 100 times farther than Star 2.

Answer

Star 1 is exactly 10 times farther than Star 2.

Answer

Star 1 is exactly 100 times closer than Star 2.

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