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    Phil Plait (badastro@mastodon.social)'s status on Saturday, 05-Oct-2024 00:33:01 JSTPhil PlaitPhil Plait

    I had a lot of fun writing this one!

    When it comes to the night sky, how dark is dark?

    https://www.scientificamerican.com/article/how-dark-is-the-night-sky/

    In conversationabout 2 months ago from mastodon.socialpermalink

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      How Dark Is the Night Sky?
      from Phil Plait
      The night sky isn’t perfectly dark—instead it glows faintly, and the source isn’t exactly local
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