How Do ‘Stars’ Help Us Understand the Universe?

Stars are like cosmic flashlights. They help scientists see how far away things are and what they're made of, just like a flashlight can show you the shape of a room in the dark. If we look at how stars shine, we can learn about the whole universe.

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  1. Stars are like flashlights, helping us see how far away other stars and planets are.
  2. The color of a star tells scientists if it's hot or cool, just like the color of fire shows its intensity.
  3. When we look at a star, it's like looking back in time because its light has traveled across space for years.

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