Our star

Sun

A middle-aged yellow dwarf holding 99.86% of the solar system’s mass. Its light takes 8 minutes 20 seconds to reach Earth.

Drive there in 3D Could we live near the Sun? Ask Elon

Diameter: 1,392,700 km
Mass: 333,000 Earths
Surface: 5,500 °C
Core: 15 million °C
Rotation: 25 days at the equator
Age: 4.6 billion years

Outer layers

H 73.5%
He 24.9%
O 0.8%
C 0.3%
Fe 0.2%

Hydrogen and helium plasma at 5,500 °C

Measured by NASA Sun fact sheet (by mass)

Nearby in the guide