Which of the stars is closer: located at a distance of 25 pc or 60 sv. years old?

1 parsec = (150,000,000) / (3.1416 / 180/3600) = 3.094e13 km
1 sv year = 300000 * 86400 * 365.25 = 9.467e12 km
25 parsecs = 3.094e13 * 25 = 7.735e14 km = 82 light years
means 60 sv years closer.

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