11 interesting facts about stars

1. The star that is nearest to Earth is the Sun.
2. A star is a colossal, glowing ball of plasma.
3. Stars are first formed as clouds of gas and dust. In fact, they basically comprise of hydrogen gas.
4. Almost all elements that are heavier than hydrogen and helium were created inside the core of stars.
5. Every star generates a stellar wind of particles that causes a continual outflow of gas into space.
6. Stars spend about 90% of their lifetime fusing hydrogen, to produce helium in high-temperature, and in high-pressure reactions near the core.
7. The oldest star yet discovered is HE 1523-0901, which is an estimated 13.2 billion years old.
8. Most stars are between 1 billion and 10 billion years old.
9. All the stars that make up Milky Way Galaxy revolve around the center of the galaxy once every 200 million years or so.
10. Stars come in different colors. While hot stars give off blue light, cooler stars give off red light.
11. Stars twinkle because the light we see coming from them travels through the atmosphere around the Earth and there is turbulence in the Earth's atmosphere.