Although it has a greater than sirius, rigel does not look as bright in the night sky.
a. apparent magnitude
c. black hole
b. parallax
d. absolute magnitude select the best answer from the choices provided a b c d

Rigel has a much greater absolute magnitude than Sirius, but appears to be much dimmer. This is due to the fact that Rigel is about one hundred times further away than Sirius. Sirius is a much lower energy star, but appears to be the brightest star in the sky because of its relatively close proximity of 8 light years.