Physics, 07.10.2019 05:20, 20jhutchinson

Sirius has an apparent magnitude of -1.5. canopus has an apparent magnitude of -0.7. which of the following statements is true?

sirius is brighter than canopus.
sirius is hotter than canopus.
the brightness ratio is 1.5 : 0.7.
the absolute magnitude of sirius is 15.

Answers: 1

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Sirius has an apparent magnitude of -1.5. canopus has an apparent magnitude of -0.7. which of the fo...