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Sirius is a double star; the larger of the pair is twice the mass of the Sun and about 1.7 times the Sun's radius. So it would be about 740,000 miles radius.. and would be about five times the Sun's volume.

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Is the sirius star 10 times bigger then the sun?

No. In terms of diameter Sirius is 1.7 times the size of the sun.


What is the size of Sirius?

Sirius is a binary star system consisting of two stars: Sirius A and Sirius B. Sirius A is the larger and more luminous star, with a diameter of about 1.7 times that of the Sun. Sirius B is a white dwarf star with a diameter of about 12,000 kilometers, roughly the size of Earth. The distance between the two stars is about 20 AU (astronomical units).


What is the size of the Sirius (A) star?

Multiple questions. See related questions.


How do you do scale?

If Our Star Were the size of a Basketball, Sirius A (Main Sequence) Would be a size of A Teddy Bear.


How do you get the scale?

If Our Star Were the size of a Basketball, Sirius A (Main Sequence) Would be a size of A Teddy Bear.


What is sirius A named after?

Sirius was named after the word 'blazing' which fits because it is the brightest star in the night sky AND twice the size and brightness


Is sirus an asteroid?

No, Sirius is not an asteroid. Sirius is a binary star system consisting of the brighter star, Sirius A, and its companion, Sirius B, which is a white dwarf star. It is the brightest star in the Earth's night sky.


What is the size and color of the star Sirius?

Sirius is actually a binary star system, which means there are two stars (A & B).Sirius A is 25 times more luminous that our Sun. It is estimated to be twice as large as our Sun.It is a type A star and is thus classified as a between Sub Giant and Giant.Sirius B is a white dwarf and has the mass of the Sun but the size of the Earth.Both stars are spherical in shape.


Is the sun sirius a supergiant?

No. Sirius is actually two stars. The main body, Sirius A, is a fairly large star, larger than the sun, but it is nowhere near the size of a supergiant. Sirius B is a white dwarf, a small, dense remnant of a star that is, int his case, slightly smaller than Earth.


What can you infer about Sirius's size and temperature that would explain why it look's brighter than Barnard's Star?

if you want to know this question go to www. sirius's size and barnard's star.comif you need facts.thanksLisa Adjouadi5th grade student


How are Sirius and betelgeuse unlike?

Sirius and Betelgeuse are both bright stars in the night sky, but they differ in size, color, and temperature. Sirius is a white star, while Betelgeuse is a red supergiant. Betelgeuse is also much larger and cooler than Sirius.


What star is the brightest one?

The brightest star of all stars is Sirius, the Dog Star. It is more than three times the size of our sun; and is about nine light years away. Sirius is seen best in early March, in the southern sky.