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  • BBC Sky at Night

    How spiky can you make Venus appear?

    Mar 26, 2020 2 minutes

    Venus is an intensely bright planet, the brightest of all the planets seen from Earth. Its light is so intense that it opens up some wonderful opportunities to show some of the physical properties of light in action, such as diffraction.

    Diffraction effects can divide the crowd, especially in deep-sky images. The secondary mirror

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