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28 August, 05:52

The star Antares has an apparent magnitude of 1.0, whereas the star Procyon has an apparent magnitude of 0.4. Which star appears brighter in the sky?

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  1. 28 August, 08:51
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    Procyon appears brighter in the sky

    Explanation:

    Apparent magnitude of star Antares = 1.0

    Apparent magnitude of star Procyon = 0.4

    Pogson's Ratio

    m₂-m₁ = - 2.50 log (B₂/B₁)

    where, m is the apparent magnitude

    B = Brightness of star or flux coming towards us (W/m²)

    ∴Larger magnitudes correspond to fainter stars so here 1>0.4 which means Antares appears dimmer and Procyon appears brighter.
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Home » Physics » The star Antares has an apparent magnitude of 1.0, whereas the star Procyon has an apparent magnitude of 0.4. Which star appears brighter in the sky?
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