Significance of apparent magnitude in understanding stellar brightness In astronomy, the apparent magnitude scale allows us to compare how bright stars and other celestial objects appear in the night ...

In astronomy, magnitude is a measure of the brightness of an object, such as a star, planet, or comet. It is a logarithmic scale where a lower or more negative magnitude corresponds to a brighter ...

The bright central star at the peak of the W is called Gamma Cassiopeiae. Of the second magnitude in brightness. Gamma is a hot blue body of some 25,000° C. surface temperature, as against the ...

Its immense brightness is why its name, "Sirius," means "sparkling" in Greek. At a visual magnitude of -0.74, Canopus is the second brightest. It's in the constellation Carina and at 310 light ...