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Stars are giant, glowing balls of hot gas in space. Three cool facts about them include: our Sun is a regular star, star colors show how hot they are, and they do not actually twinkle on their own. You can learn more from official space resources like NASA Science. [1, 2, 3, 4]
Cool Star Facts
- Our Sun is a star: The bright Sun in our sky is actually a medium-sized star. It looks so big and warm because it is the closest star to Earth. [1, 2]
- Colors show temperature: Stars come in different colors. Blue stars are the hottest, yellow stars are medium-hot (like our Sun), and red stars are cooler. [1, 2]
- Why they twinkle: Stars do not flicker in space. They only look like they are twinkling because their light passes through Earth's moving air before it reaches our eyes.