The volume of the sun

Calculate volume

• Volume is understood in the mathematics the volume of a body. There are different types of geometric bodies, including cubes, pyramids, cylinders, and spheres.
• For each individual species there is a specific formula to calculate the volume. The easiest way to do this is with the cube. The more complex the figure, the more complex the formula becomes. The letter V is usually used as a symbol for the volume.
• The following applies to a sphere: V = (3/4) r³pi. Here r is the radius of the sphere and pi is the circle number Pi (around 3.14).

The sun

• The sun is the central fixed star of the planetary system, to which the earth also belongs. It is a huge gas ball and has no solid core. About 4.6 million years ago it was formed from dust and gas clouds along with the planetary system. A central star and 8 planets, asteroids, dwarf planets and moons emerged.
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• There is enormous pressure inside. This pressure makes nuclear fusion possible, in which two hydrogen atoms fuse to form one helium atom. This releases heat and light energy that is radiated. The diameter of the sun is so huge that it takes several thousand years for light to travel from the core to the surface.


Volume calculation - this is how it works for a sphere

Volume calculations are not always easy, especially when it comes to "round" ...

• To calculate the volume of the sun, you can use the formula described above. The radius can be found in relevant tables or astronomy books. It is 696 350 km.
• You insert this number into the formula. So you have: V of the sun = (3/4) x 696350³ x 3.14. If you do the math, you get a value of 1.41x10 for the solar volume¹⁸ km³ .