HGraceB21 HGraceB21

21-10-2022
Physics

Answered

1.) 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?

Answer :

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