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28 October, 04:32

How does the brightness of a quasar compared with that of a large galaxy?

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  1. 28 October, 08:28
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    The quasar 3C 273 has an apparent magnitude of about 12.8 whereas the brightest galaxy - the Large Magellanic Cloud has an apparent magnitude of 0.9. However, in absolute magnitudes, 3C 273 has an absolute magnitude of about - 26.7 very similar to our own Sun.
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