The+Sun+=)+-+By+Nathan

__THE SUN __ By __Nathan__
=== The Sun is at the core or our Solar System and is the closest star to Earth, Eight planets currently orbit the Sun, with the third being Earth. The Sun is our primary source of light, and without it, there would be no life. ===

===The Sun was born in a giant nebula which consisted of gas and dust. The gas and dust started pulling together under it's own gravity. If the is enough matter, it starts to spin and heats up to about 15 million ° C. This is called a //__Protostar.__// After this happens, it contracts and becomes stable. It will continue to shine for a furthur 10 billion years. This stage is called the "Main Sequence". Our Sun is halfway through this stage. ===

=== The Core is the hottest part of the Sun, heating up to 15 million°C. The core produces energy by neuclear fusion. This is the process of turning a single particle to another particle, and in this case, hydogen to helium. Due to all the energy being produced, the Core loses 4 hundred million tonnes of mass every second. ===

=== When the Sun starts to run out of hydrogen, the core becomes unstable and continues to contract until it produces enough heat to start converting helium to carbon.. During this periois, the Sun's outer layer expands all the way to Jupiter, engulfing the Earth in a red, fiery death. Because the Sun isn't producing as much heats as it used to, it cools and turns red. This is called a Red Supergiant. The Sun then starts to shed it's outer layers, producing a beautiful clous of gas and dust called a "Planetary Nebula". Once all of the Sun's layers are expelled, all that's left is the core, which is now called a White Dwarf. When the White Dwarf loses it's light, it becomes and Black Dwarf. ===