Sun

- the sun is the powerhouse of the solar system.It is composed of 71% hydrogen, 27% helium, and 2% of other elements.

Parts of the sun:
1.Core
2.Radiative zone
3.Convective zone
4.Photosphere
5.Chromosphere
6.Corona

Sun profile
Average distance from the Earth=149.6 Million km.
surface temperature= 15 000 000K(0K=-273.15 C)
Diameter=1 393 000
Mass=1.99X10^30