Unlocking the invisible rainbows of the Universe

Our world may look vibrant and full of color. But in reality, our human eyes are only picking up the tiniest slice of all the light shining in the Universe. To astronomers this hidden light is just as important as the red greens and blues we can see. We talk to Alfredo Carpineti about what secrets are lying in the Universe beyond human vision, while celebrating another aspect that the rainbow has come to represent - the LGBT+ community.

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