The sun

Some facts and images of our own Sun

Astronomical Profile

Age: 4.6 Billion Years
Type: Yellow Dwarf (G2V)
Diameter: 1,392,684 km
Equatorial Circumference: 4,370,005.6 km
Mass: 1.99 × 10^30 kg (333,060 Earths)
Surface Temperature: 5,500 °C

Some interesting facts:

  • Our Sun is one of about four hundred billion stars in the Milky Way galaxy .
  • At its center the Sun reaches temperatures of 15 million °C.
  • The Sun is all the colors mixed together, this appears white to our eyes.
  • The Sun is mostly composed of hydrogen (70%) and Helium (28%).
  • The Sun is a main-sequence G2V star (or Yellow Dwarf).
  • The Sun is 4.6 billion years old.
  • The Sun is 109 times wider than the Earth and 330,000 times as massive.