What are the distances to each star in parsecs

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Consider two stars, A and B, whose parallaxes are, respectively: 0.01 arcsec and 0.005 arcsec.

Which star is closer to Earth?

What are the distances to each star in parsecs?

If both stars have the same luminosity, LA = LB, which star would appear brighter to us? What would be the ratio: LA/LB?

Reference no: EM13337523

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