According to NASA, Sirius has a mass that's two times that of Earth's sun. If the star were placed next to our sun, Sirius would outshine it more than 20 times over, according to NASA 's Astronomy ...

“For the sun to appear as dim as Sirius, the brightest object in our night sky, it would need to be moved 1.7 light years away” Sirius has a luminosity 25.4 times greater than the ...