Why Are Some Stars Purple?

Stars are like giant lightbulbs. Some burn hotter and shine blue, others are cooler and look red, but sometimes they glow purple when the colors mix just right. It’s not very common because it takes just the right balance of heat and light.

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Examples

A purple star is like a neon sign that flickers between blue and red
Imagine mixing paint, blue and red make purple
If you had a lightbulb that glowed both blue and red, it might look purple too

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Categories: Space · stars· astronomy· colors of stars