Physics, 25.11.2021 08:40 DarcieMATHlin6217
Star A has the same luminosity as star B. Also, star A is 3 times as far as Star B from Earth. Then star A is as bright as star B as seen from Earth.
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Star A has the same luminosity as star B. Also, star A is 3 times as far as Star B from Earth. Then...
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