GNU social JP
  • FAQ
  • Login
GNU social JPは日本のGNU socialサーバーです。
Usage/ToS/admin/test/Pleroma FE

  • Public

    • Public
    • Network
    • Groups
    • Featured
    • Popular
    • People

Conversation

Notices

  1. Embed this notice
    Phil Plait (badastro@mastodon.social)'s status on Saturday, 05-Oct-2024 00:33:01 JST Phil Plait Phil 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 conversation about 2 months ago from mastodon.social permalink

    Attachments

    1. Domain not in remote thumbnail source whitelist: static.scientificamerican.com
      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

    Feeds

    • Activity Streams
    • RSS 2.0
    • Atom
    • Help
    • About
    • FAQ
    • TOS
    • Privacy
    • Source
    • Version
    • Contact

    GNU social JP is a social network, courtesy of GNU social JP管理人. It runs on GNU social, version 2.0.2-dev, available under the GNU Affero General Public License.

    Creative Commons Attribution 3.0 All GNU social JP content and data are available under the Creative Commons Attribution 3.0 license.