What is the radius of Sirius?

Answer 1

Sirius is actually a double star system consisting of two Stars - Sirius A and Sirius B. The mass of Sirius A is 2.02 solar masses (4.018 x 1030 kg).
The mass of Sirius B is 0.978 solar masses (1.945 x 1030 kg).

Answer 2

about 650 times the diameter of the sun the sun is 1.392.000 km big but the star appears tho chance its shape now and then so the size differs a bit every one and a while. that`s what the say on wikipedia at least

Answer 3

Sirius is a binary star system

Sirius A is about 1.7 times larger than our Sun

Sirius B is about 0.0084 times the size of the Sun (It's a tiny red dwarf)

Answer 4

According to Wikipedia, Sirius has 1.711 times the radius (and therefore, 1.711 times the diameter) of our Sun, or about 2.4 million kilometers (for the diameter).

Answer 5

Rigel has greater "absolute magnitude" than Sirius.

But Sirius has greater "apparent magnitude" than Rigel. This means that Sirius is visually brighter than Rigel.

Answer 6

1.6×10^28 m^3 (cubic meters) (assuming sphere)

4×10^18 mi^3 (cubic miles)

5×10^-6 AU^3 (astronomical units cubed)

1.6×10^34 mL (milliliters)

Answer 7

The radius of Sirius is approximately 1.71 times that of the Sun, making it a relatively large star with a radius of about 1.7 million kilometers.

Answer 8

Rigel, by a lot.

Answer 9

Approximately three girth units.