Diameter (Sirius A)2.4 billion m
8.9 billionDinner plates
9.5 billionWrench lengths
9.9 billionChopsticks
About 1.71 solar diameters
Photo from Wikimedia Commons
Sirius
The brightest star in Earth's night sky/Stars
Sirius, also known as the Dog Star, is the brightest star in the night sky as seen from Earth. It is actually a binary system consisting of Sirius A, a main-sequence star roughly twice the mass of the Sun, and Sirius B, a faint white dwarf companion. Located about 8.6 light-years away, it is one of the nearest stars to Earth.
Measurements
Mass (Sirius A)4 nonillion kg
500 octillionRaccoons
889 octillionAdult house cats
About 2.02 solar masses
Luminosity (Sirius A)9.7 octillion W
25.2The Sun
64.7 sextillionCar engines
About 25.4 times solar luminosity
Effective surface temperature9,940 K
40.9Arctic winters
22.1Cookie ovens
34.5Hardwood floors
Distance from Earth81.5 quadrillion m
408 quadrillionBrick lengths
76.4 quadrillionHurdle heights
267 quadrillionSubway Footlongs
About 8.6 light-years