To talk about Stars we need to know "What is a Star?" Stars are hot bodies of gas that start their life in Nebulae. They have different sizes, Temperature, Mass, They're average size is usually from 450x from 1000x. Their surface temperature can range from 3000 degrees Celsius to 50,000 degrees Celsius. Usually the color of a star can vary because of their temperature, The hottest is blue and the cooler is red. The magnitude of a star is measured by the brightness, The brighter the star, the larger the magnitude
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