Other than a handful of deep sky objects (galaxies, nebulas, star clusters) that can be seen w/ the naked eye, this statement is basically correct. The stars we can see do generally fit inside that circle.
It just 'accidently' makes the symbol of infinity! perfect since in symbolism, the sun symbols Christ, the moon the Church. ~ mw ~ Fixed position photograph of the sun, taken at the same time of day over a year. Looks like the infinity symbol!