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- The Sun’s gravity holds our solar system together.
- With a radius of 432,168.6 miles (695,508 kilometers), our Sun is not an especially large star.
- The Sun’s volume would need 1.3 million Earths to fill it.
- The temperature of the Sun’s surface is 10,000℉ (5500℃). Its core (where nuclear fusion takes place) is 27,000,000℉ (15,000,000℃).
- A 100 pound person would weigh 280 pounds on the surface of the Sun.
- Like all stars, the Sun will someday run out of energy. When the Sun starts to die, it will swell so big that it will engulf Mercury and Venus and maybe even Earth.
- The Sun has six regions: the core, the radiative zone, and the convective zone in the interior; the visible surface, called the photosphere; the chromosphere; and the outermost region, the corona.
- The Sun’s gravity holds our solar system together.
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