well, stars are balls of gas (hydrogen) which fuses into helium. is also how how the sun produces energy but stars can reach a temp. of 20,000 if purple if it is blue probley 10,000
All stars have different temperatures, depending on their mass and period in their life cycle. The hotter a star is, the brighter it will appear.
The stellar classification [See link] in order of...
Each star in the sky is an enormous glowing ball of gas. Our sun is a medium-sized star.A star is born when an enormous cloud of hydrogen gas collapses until it is hot enough to burn nuclear fuel...