Procyon sentence example
Thus it is found that Procyon gives about three times as much light as the sun in proportion to its mass, Sirius about sixteen times, and Orionis more than ten thousand times.
The " Procyon " or calcium stars form a transition between Type I.
These are the white stars, and the most prominent examples are Sirius, Vega and Procyon.
Then follows a gradual absorption of first the helium and then the hydrogen, the photosphere grows continually cooler, and the star passes successively through the stages exemplified by Sirius, Procyon, the Sun, Arcturus and Antares.Advertisement