The Sun. Of medium size by star standards, it is composed mainly of hydrogen (73 percent by mass) and helium (25 percent by mass)
The Sun- Chapter 2. The Sun Facts About Sun Distance from the Earth Diameter of the Sun 92.957 million miles 864,950 miles AgeMass 5 Billion Years 1.99.
Energy from the Sun. Energy Energy is a quantity that describes how much force an object has experienced over a distance or can potentially experience.
