Stars shine brightly from "summary" of Space Encyclopedia by David A. Aguilar,Christine Pulliam,Patricia Daniels
Stars in the universe are like glowing beacons scattered across the vast expanse of space. These celestial bodies emit light and heat, illuminating the darkness with their brilliance. The brightness of a star is determined by its size, temperature, and distance from Earth. Larger stars tend to shine more brightly than smaller ones, as they have more fuel to burn and produce more energy. The temperature of a star also plays a role in its brightness - hotter stars emit more light and appear brighter to observers on Earth. Distance is another factor that affects how brightly a star appears in the night sky. Stars that are closer to Earth will appear brighter than those that are farther away, even if they are similar in size and temperature. This is why some stars seem to twinkle more brightly than others, depending on the...
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