HGraceB21 HGraceB21

22-10-2022
Chemistry

contestada

**NEED USEFUL ANSWER ASAP
The star Antares has an apparent magnitude (brightness) of 1.0, whereas the star Procyon has an apparent magnitude of 0.4.
A.) Just from the information above, can you determine which star is
more luminous? If yes, which one? If no, why not?

B.) The absolute magnitude (brightness) of Antares is -5.28, and the absolute magnitude of procyon is 2.68. Which star is more luminous? Which star is closer?

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