STARS A star is a large celestial body composed of gravitationally contained hot gases giving off electromagnetic radiation, especially light. The sun is actually a star. Unlike the sun the stars seem to be fixed, but in fact stars are in rapid motion, but their distances are so great no relative changes can be seen with the naked eye. The sun is a typically star, with a visible surface called a photosphere, which an atmosphere …
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showed last 75 words of 1057 total
…of these classes are all similar chemicals composed and arranged in temperature order from hottest to coolest. The absolute surface temperature of the various star groups are as followed: O- 22,200c B-13900c A-10000c F-6650c G-5540c K-3870c M-1760c All go from hottest too coolest. The interior temperature of the average star is about 20,000,000c. Scientists have found a lot out about stars and we even have more to figure out.