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    visible light
    • What Is Visible Light?

      LiveScience· 13 hours ago

      Visible light is a form of electromagnetic (EM) radiation, as are radio waves, infrared radiation, ultraviolet radiation, X-rays and microwaves. Generally ...

    • 101 Must-See Cosmic Objects: Maffei 1

      101 Must-See Cosmic Objects: Maffei 1

      Astronomy Magazine· 6 days ago

      Although galaxies appear throughout the sky, they are not spread evenly. Pioneer galaxy observer Edwin Hubble called this the Zone of Avoidance. It is so...