Physics

Reese Booth

26 March, 08:34

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.

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