Life of a Star

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The most common known star is our very own sun, that is common knowledge, but where did the sun come from? It couldn’t have just appeared from thin air, and it can’t remain forever, for every birth there is a death. Astronomers believe that molecular clouds, or large clouds of gas, are the primary source for the birth of stars. Gravity compresses this cloud into a massive sphere of gas and dust, and once the temperature reaches 15 million degrees it sparks the nuclear fusion, it begins to glow and burn, and voila! A new star is born! But how does nuclear fusion begin? Well remember all this gas and dust in the center of the mass? Well, as the temperature increases, so does the pressure, and the electrons are separated from the atoms creating plasma. The increasing heat causes the plasma to move so fast that they crash into each other and fuse and in doing so they release a great deal of energy which seeps from the core and becomes electromagnetic radiation once it reaches the outer layers of the mass of gasses and dust causing the glow. Voila! A new star is born! However not all ...

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