March 30, 2017

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"The absolute magnitude of a star is -12.. How would you describe its brightness?"

  • 8th grade science - ,

    Its brightness (or apparent magnitude) will also depend upon how far away it is. If it is 10 parsecs (3 light years) away, it will be about as bright as a full moon as seen from Earth. The star's absolute magnitude is 14.7 magnitudes brighter than the sun. That is about million times brighter, when seen from the same distance.

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