• Red Flashlights
  How does red light actually help in astronomy? Well, to answer this question, you have to know that there are two types of nerve receptors in our eyes: cones and rods. Cones are active during the daylight, and they enable us to see all those lively colors.
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  Note: How does red light actually help in astronomy? Well, to answer this question, you have to know that there are two types of nerve receptors in our eyes: cones and rods. Cones are active during the daylight, and they enable us to see all those lively colors.

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